Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van ha, van hai
xuc van » duc van, luc van, vuc van
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua su

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 thu nang xa hoi. hieu van hac ((xuc van) or (duc va)) hanh vi cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu nang xa hoi. hieu van hac ((xuc van) OR (duc va)) hanh vi cua cu.
• Adding a wildcard symbol may retrieve word variants: te sach thu nang xa hoi. hieu van hac ((xuc van) or (duc va)) hanh vi cua cu*.