Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
dang xay » dang van, van xay
te sach » toc sach
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
ty dang » ty xang, ky dang, ty hang
cam lo » nam lo, cam o
cam ly » tam ly, cam ky, cap ly

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 ty dang xay hoi. hieu va ((cam lo) OR (cam ly)) gia ((hanh vi) or (thanh van)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty dang xay hoi. hieu va ((cam lo) OR (cam ly)) gia ((hanh vi) OR (thanh van)) cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty dang xay hoi. hieu va ((cam lo) OR (cam ly)) gia ((hanh vi) or (thanh van)) cuu tre*".