Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
khang xa » khang a, hang ca, lang xa
van hanh » van thanh, ban hanh, van anh
dua tren » dung tren
su sach » so sach, vu sach
xuc van » duc van, luc van, vuc van
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao

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 khang xa hoi. lieu va cam xuc van hanh vi ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thieu khang xa hoi. lieu va cam xuc van hanh vi ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach thieu khang xa hoi. lieu va cam xuc van hanh vi ((dua tren) or (cuu tre))*.