Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
danh tu » anh tu, doanh thu
lanh tu » anh tu, hanh tu, manh tu
van cau » van dau, van chat, toan cau
van hau » van ha, van hai, van dau
va danh » va dinh, va dan, va hanh
su tien » su kien, su hien, tu tieng
nang o » nang co, nang ho, nang ro
xuc va » duc va, tuc va, luc va
vai su » va su, van su, lai su
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((lanh tu) OR (danh tu)) nang o hoi. thien ((van cau) or (van hau)) xuc va danh vai su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((lanh tu) OR (danh tu)) nang o hoi. thien ((van cau) OR (van hau)) xuc va danh vai su tien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((lanh tu) OR (danh tu)) nang o hoi. thien ((van cau) or (van hau)) xuc va danh vai su tien".
• Adding a wildcard symbol may retrieve word variants: thuat ((lanh tu) OR (danh tu)) nang o hoi. thien ((van cau) or (van hau)) xuc va danh vai su tien*.