Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
luan nhung » luan chung, luan hung, quan nhung
cong tang » cong thang, cong lang, cong vang
hanh san » thanh san, khach san, thanh son
san luan » dan luan, tang luan, hang luan
cong tan » cong tac, cong san, cong thanh
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - hanh san luan nhung ((cong tan) or (cong tang)) tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh san luan nhung ((cong tan) OR (cong tang)) tan cau*.