Perhaps you should try some spelling variations:
hanh thang » nhanh thang, thanh thang, hanh trang
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
thanh phan » thanh pho, thanh san, thanh toan
tan thanh » tran thanh, tang thanh, toan thanh
thang va » hang va, trang va, thong va
cong tan » cong tac, cong san, cong thanh
hieu va » lieu va, hieu qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu va) or (chieu sach)) - hanh thang va nhung cong tan thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu va) OR (chieu sach)) - hanh thang va nhung cong tan thanh phan*.