Perhaps you should try some spelling variations:
trinh van » trinh quan, trinh toan, dinh van
trinh han » trinh quan
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ((theo tieu) or (ho chieu)) xanh - hanh ((trinh van) or (trinh han)) dang cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (ho chieu)) xanh - hanh ((trinh van) OR (trinh han)) dang cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (ho chieu)) xanh - hanh ((trinh van) or (trinh han)) dang cong tan toan ban*.