Perhaps you should try some spelling variations:
"chung trinh do nhan." » "chuong trinh do nhan." (Expand Search), "chung tinh do nhan." (Expand Search), "chuuong trinh do nhan." (Expand Search), "chung trinh mon nhan." (Expand Search), "chung trinh doi nhan." (Expand Search), "chung trinh co nhan." (Expand Search), "chung trinh so nhan." (Expand Search)
"chung trinh doan van." » "chuong trinh doan van." (Expand Search), "chung tinh doan van." (Expand Search), "chuuong trinh doan van." (Expand Search), "chung trinh doanh van." (Expand Search), "chung trinh dan van." (Expand Search), "chung trinh monan van." (Expand Search), "chung trinh doan phan." (Expand Search), "chung trinh luan van." (Expand Search), "chung trinh san van." (Expand Search)
"khung trinh thon van." » "chuong trinh thon van." (Expand Search), "hung tinh thon van." (Expand Search), "khuong tinh thon van." (Expand Search), "khung trinh thong van." (Expand Search), "khung trinh tho van." (Expand Search), "khung trinh thoi van." (Expand Search), "khung trinh ton van." (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("chung trinh do nhan.") OR ((("khung trinh thon van.") OR ("chung trinh doan van."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"chung trinh do nhan.\") OR (((\"khung trinh thon van.\") OR (\"chung trinh doan van.\"))))".
• Removing quotes may allow a broader search: (( chung trinh do nhan. ) OR ((( khung trinh thon van. ) OR ( chung trinh doan van. )))).
• Adding a wildcard symbol may retrieve word variants: (("chung trinh do nhan.") OR ((("khung trinh thon van.") OR ("chung trinh doan van."))))*.