Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
quang cao » nang cao, quang nam, quang cua
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
tuan cao » toan cao, juan cao, thuan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - hanh ((trang cua) or (trung cua)) nhung cong tac ((tuan cao) OR (quang cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh ((trang cua) OR (trung cua)) nhung cong tac ((tuan cao) OR (quang cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu manh - hanh ((trang cua) or (trung cua)) nhung cong tac ((tuan cao) OR (quang cao))".
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - hanh ((trang cua) or (trung cua)) nhung cong tac ((tuan cao) OR (quang cao))*.