Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
chu tre » chu tri, cuu tre, cau tren
van lam » van nam
lam xuc » cam xuc, lam duoc
nang xa » nang x, lang xa, nang ma
te sach » toc sach
cho tre » cho thue, khoe tre
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (te sach)) ky nang xa hoi. hieu van lam xuc va thanh va ((chu tre) OR (cho tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang xa hoi. hieu van lam xuc va thanh va ((chu tre) OR (cho tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (te sach)) ky nang xa hoi. hieu van lam xuc va thanh va ((chu tre) OR (cho tre))".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang xa hoi. hieu van lam xuc va thanh va ((chu tre) OR (cho tre))*.