Perhaps you should try some spelling variations:
thuat lanh » thuat lap
doanh van » doan van, doanh va, doanh ban
thuat san » thuat toan, thuat song, thuat xay
thien van » thi van
va doanh » van doanh, vay doanh, va danh
cau duc » cao duc, cau luc, chu duc
van cau » van dau, van hau, van chat
su tien » su kien, su hien, tu tieng
tu nang » tru nang, tu nong, tu nano
van su » dan su
co hoi » co hoc, co loi
o hoi » o hoc, o hai, o hoa

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