Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hieu cao » chieu cao, hieu cac, hieu ca
hanh doi » thanh doi, hanh noi, hang doi
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, xuc ban
vuc van » duc van, luc van, thuc van
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (thuat sach)) ky nang xa hoi. hieu cao chat ((xuc van) OR (vuc van)) hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (thuat sach)) ky nang xa hoi. hieu cao chat ((xuc van) OR (vuc van)) hanh doi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cac) or (thuat sach)) ky nang xa hoi. hieu cao chat ((xuc van) OR (vuc van)) hanh doi cua tre*".