Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh cham » thanh pham, hanh lam, hanh nam
hieu van » hieu va, thien van, lieu va
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
cong ban » cong bang, cong san, cong tan
ban hanh » ban hang

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 van) or (hieu lang)) - hanh trang va thong cong ban hanh cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu van) OR (hieu lang)) - hanh trang va thong cong ban hanh cham*.