Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trang cua » tang cua, trung cua, thang cua
tranh cua » doanh cua, manh cua
theo chu » theo chieu, cho chu, chao chu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, 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: ((toc thieu) or (theo chu)) xanh - hanh ((trang cua) OR (tranh cua)) nhung cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (theo chu)) xanh - hanh ((trang cua) OR (tranh cua)) nhung cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc thieu) or (theo chu)) xanh - hanh ((trang cua) OR (tranh cua)) nhung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (theo chu)) xanh - hanh ((trang cua) OR (tranh cua)) nhung cong tac than cau*.