Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
thang va » trang va, thong va, thanh va
te sach » toc sach
cam luc » cam xuc, cau luc
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang x hoi. ((hieu van) OR (thien van)) cam luc va ((thang va) or (hang va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. ((hieu van) OR (thien van)) cam luc va ((thang va) OR (hang va)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. ((hieu van) OR (thien van)) cam luc va ((thang va) or (hang va)) cua te*".