Perhaps you should try some spelling variations:
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
hang vi » hang va, hanh vi, hang di
cua tre » cua te, cuu tre, cua triet
xuc va » tuc va, xac va
luc va » tuc va, loc va
vi cua » vai cua, di 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 tu nang xa hoi. hieu va cham ((((xuc va) OR (luc va))) or (duc va)) hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu nang xa hoi. hieu va cham ((((xuc va) OR (luc va))) OR (duc va)) hang vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu nang xa hoi. hieu va cham ((((xuc va) OR (luc va))) or (duc va)) hang vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach tu nang xa hoi. hieu va cham ((((xuc va) OR (luc va))) or (duc va)) hang vi cua tre*.