Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly hang » ly quang
hang xa » hoang xa, hang va, hang ca
van lam » van nam
lam xuc » cam xuc, lam duoc
va tinh » may tinh
cu tren » tu tren, dua tren
va cu » va cau, va chu, va 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 ly hang xa hoi. hieu van lam xuc ((ban thanh) or (va tinh)) va cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly hang xa hoi. hieu van lam xuc ((ban thanh) OR (va tinh)) va cu tren.
• Adding a wildcard symbol may retrieve word variants: te sach ly hang xa hoi. hieu van lam xuc ((ban thanh) or (va tinh)) va cu tren*.