Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua
hoc hieu » hoc thieu, hoc hien, doc hieu
manh cua » doanh cua, ban cua
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - canh ((tranh cua) OR (manh cua)) nhung cong tac than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - canh ((tranh cua) OR (manh cua)) nhung cong tac than cao".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh ((tranh cua) OR (manh cua)) nhung cong tac than cao*.