Perhaps you should try some spelling variations:
trinh toant » tinh toan, trinh thanh, trinh hoan
trinh toan » tinh toan, thanh toan, trinh han
thong cong » trong cong, tong cong, thong thong
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
cho san » cho can, ho san, cho 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 san) or (cao sang)) - hanh ((trinh toan) or (trinh toant)) thong cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cap ((cho san) OR (cao sang)) - hanh ((trinh toan) OR (trinh toant)) thong cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: cap ((cho san) or (cao sang)) - hanh ((trinh toan) or (trinh toant)) thong cong van toan ban*.