Perhaps you should try some spelling variations:
thuat anh » thuat lanh, thuat canh, thuat nganh
tru nang » tra nang, tri nang, truc nano
danh sai » dung sai, danh bat, hanh san
danh dau » lanh dao, hang dau, danh tu
anh tru » anh tu, anh thuc, anh trac
thi van » thi lan, thi hanh, thi nang
van cau » van dau, van hau, van chat
nang o » nang co, nang ho, nang ro
xuc va » tuc va, luc va, xac va
o hoi » co hoi, o hoc, o hai
dong » cong, dung

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

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