Perhaps you should try some spelling variations:
"tien trinh thong moi" » "tien trinh thuong moi" (Expand Search), "tien trinh phuong moi" (Expand Search), "tien trinh cong moi" (Expand Search), "tien trinh trong moi" (Expand Search), "tien trinh thon moi" (Expand Search), "tien trinh thong o" (Expand Search), "hien trinh thong moi" (Expand Search), "bien trinh thong moi" (Expand Search), "tin trinh thong moi" (Expand Search)
"trien trinh thong moi" » "trien trinh thuong moi" (Expand Search), "trien trinh phuong moi" (Expand Search), "trien trinh cong moi" (Expand Search), "trien thinh thong moi" (Expand Search), "trien tinh thong moi" (Expand Search), "trien tranh thong moi" (Expand Search), "trien trinh trong moi" (Expand Search), "trien trinh thon moi" (Expand Search), "trien trinh thong o" (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: (("tien trinh thong moi") OR ("trien trinh thong moi"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"tien trinh thong moi\") OR (\"trien trinh thong moi\"))".
• Removing quotes may allow a broader search: (( tien trinh thong moi ) OR ( trien trinh thong moi )).
• Adding a wildcard symbol may retrieve word variants: (("tien trinh thong moi") OR ("trien trinh thong moi"))*.