Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh hang » thanh hang, hang hang, hanh han
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (((chieu sach) or (chiet tach)))) - hanh hang va nhung cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (((chieu sach) OR (chiet tach)))) - hanh hang va nhung cong tan tran cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (((chieu sach) or (chiet tach)))) - hanh hang va nhung cong tan tran cao*.