Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
pha nhung » phai nhuong, tham nhung, phan chung
doc hieu » toc thieu, hoc thieu, hoc hien
cong tam » cong tac, cong tan, cong nam
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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 xanh - ((thanh trung) OR (thanh tung)) pha nhung cong tam ((than cap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((thanh trung) OR (thanh tung)) pha nhung cong tam ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - ((thanh trung) OR (thanh tung)) pha nhung cong tam ((than cap) or (khan cap))".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - ((thanh trung) OR (thanh tung)) pha nhung cong tam ((than cap) or (khan cap))*.