Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
doc hieu » toc thieu, hoc hien
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap
ban cua » ban quan

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) or (hoc thieu)) xanh - hanh ((trang cua) or (ban cua)) nhung cong san than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) xanh - hanh ((trang cua) OR (ban cua)) nhung cong san than cao.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc thieu)) xanh - hanh ((trang cua) or (ban cua)) nhung cong san than cao*.