Perhaps you should try some spelling variations:
ban thanh » ban hang
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
sach ly » sach y, sach lo, sach ty
va tinh » may tinh
te sach » toc sach
lam xuc » cam xuc, lam duoc
van lam » van nam
hang xa » hoang xa, hang va, hang ca
ly hang » ly quang
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 (ban hanh))) 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 (ban hanh))) OR (va tinh)) va cu tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly hang xa hoi. hieu van lam xuc ((((ban thanh) OR (ban hanh))) 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 (ban hanh))) or (va tinh)) va cu tren*.