Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trinh van » trinh quan, trinh toan, dinh van
trinh han » trinh quan
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
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chi)) xanh - hanh ((trinh van) or (trinh han)) thong cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - hanh ((trinh van) OR (trinh han)) thong cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - hanh ((trinh van) or (trinh han)) thong cong tan toan ban*.