Perhaps you should try some spelling variations:
thuat lap » thuat lanh, thuat xay, thuat bai
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
va thanh » gia thanh, ban thanh, va tinh
thanh de » hanh de, thanh ve, thanh do
te sach » toc sach
nang xa » nang x, lang xa, nang ma
cau duc » cao duc, cau luc, chu duc
cua tre » cua te, cuu tre, cua triet
de cua » le cua, te cua, dieu cua

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) or (thuat lap)) ky nang xa hoi. ((hieu van) OR (thien van)) cau duc va thanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat lap)) ky nang xa hoi. ((hieu van) OR (thien van)) cau duc va thanh de cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thuat lap)) ky nang xa hoi. ((hieu van) OR (thien van)) cau duc va thanh de cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat lap)) ky nang xa hoi. ((hieu van) OR (thien van)) cau duc va thanh de cua tre*.