Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu xanh » chieu xanh, hieu manh, hieu nganh
hoang anh » hoang minh, hoang van
dang cong » dung cong
nhung cau » chung cu, nhu cau
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
anh cua » manh cua, hanh cua, canh cua

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) or (chieu tinh)) - hoang anh cua dang cong tan ((nhung cau) OR (nhung bai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu tinh)) - hoang anh cua dang cong tan ((nhung cau) OR (nhung bai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (chieu tinh)) - hoang anh cua dang cong tan ((nhung cau) OR (nhung bai))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (chieu tinh)) - hoang anh cua dang cong tan ((nhung cau) OR (nhung bai))*.