Perhaps you should try some spelling variations:
hanh thang » nhanh thang, thanh thang, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cha » thanh ha, thanh nha, thanh phan
thang va » hang va, trang va, thong va
va thong » va thuong, va phuong, he thong
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 sang)) - hanh thang va thong cong tan thanh cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu va) OR (chieu sang)) - hanh thang va thong cong tan thanh cha*.