Perhaps you should try some spelling variations:
trinh toant » tinh toan, trinh thanh, trinh hoan
trinh toan » tinh toan, thanh toan, trinh han
tong cong » trong cong, cong cong, dung cong
cho sang » cho hang, cho san, cho lang
cao sang » cao dang, cao tang, cao bang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cap ((cho sang) OR (cao sang)) - hanh ((trinh toan) or (trinh toant)) tong cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cap ((cho sang) OR (cao sang)) - hanh ((trinh toan) OR (trinh toant)) tong cong van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cap ((cho sang) OR (cao sang)) - hanh ((trinh toan) or (trinh toant)) tong cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: cap ((cho sang) OR (cao sang)) - hanh ((trinh toan) or (trinh toant)) tong cong van toan ban*.