Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh trinh » canh tranh, hanh chinh
trinh chuc » trinh thuc, trinh chu, trinh phuc
doi nhieu » doi chieu, doi nhu, doi hien
chuc dang » chuc nang, chuc danh, thuoc dang
dang cong » dung cong
cong san » cong tac
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi nhieu tang - hanh trinh chuc dang cong san ((toan tap) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi nhieu tang - hanh trinh chuc dang cong san ((toan tap) OR (van ban))*.