Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
tang luan » dung luan
thanh lap » thanh san, phan lap, thanh hai
doc hieu » toc thieu, hoc thieu, hoc hien
anh tang » anh bang, anh dang, anh nang
luan ung » luan hung, luon ung, luan chung
ung cong » dung cong, luong cong, duong cong
cong tac » cong ty
than cua » nhan cua, thai cua, ban cua
khan cap » khan ap, than cap, khoan 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 xanh - anh tang luan ung cong tac ((((thanh lap) or (than cua))) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - anh tang luan ung cong tac ((((thanh lap) OR (than cua))) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - anh tang luan ung cong tac ((((thanh lap) or (than cua))) or (khan cap))*.