Perhaps you should try some spelling variations:
thieu bang » thien bang, thieu khang, thieu quang
dua tren » dung tren
su sach » so sach, vu sach
bang xa » lang xa, bang va, mang xa
lam xuc » cam xuc, lam duoc
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
va lam » van lam, va lap
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach thieu bang xa hoi. lieu va lam xuc va hanh vi ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thieu bang xa hoi. lieu va lam xuc va hanh vi ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach thieu bang xa hoi. lieu va lam xuc va hanh vi ((dua tren) or (cuu tre))*.