Perhaps you should try some spelling variations:
"chien trinh thong moi" » "tien trinh thong moi" (Expand Search), "dien trinh thong moi" (Expand Search), "chien tren thong moi" (Expand Search), "chien trinh thuong moi" (Expand Search), "chien trinh phuong moi" (Expand Search), "chien trinh cong moi" (Expand Search), "chien trinh trong moi" (Expand Search), "chien trinh thon moi" (Expand Search), "chien trinh thong chi" (Expand Search)
"chien trinh thong o" » "tien trinh thong o" (Expand Search), "dien trinh thong o" (Expand Search), "chien tren thong o" (Expand Search), "chien trinh thuong o" (Expand Search), "chien trinh phuong o" (Expand Search), "chien trinh cong o" (Expand Search)
"chien tranh chong moi" » "chien thanh chuong moi" (Expand Search), "chien tran hong moi" (Expand Search), "chien tranh chong toi" (Expand Search), "chien tranh chong mi" (Expand Search), "chien tranh chong doi" (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: (((("chien trinh thong moi") OR ("chien trinh thong o"))) OR ("chien tranh chong moi"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"chien trinh thong moi\") OR (\"chien trinh thong o\"))) OR (\"chien tranh chong moi\"))".
• Removing quotes may allow a broader search: (((( chien trinh thong moi ) OR ( chien trinh thong o ))) OR ( chien tranh chong moi )).
• Adding a wildcard symbol may retrieve word variants: (((("chien trinh thong moi") OR ("chien trinh thong o"))) OR ("chien tranh chong moi"))*.