Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thu sach » tu sach, thuat sach, thuoc sach
khang xa » khang a, hang ca, lang xa
danh bat » doanh bat, anh bai, dinh ba
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
cua tu » cua tuc, cua su, cua cu
tuc va » truc va, tuc xa, duc va
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach thieu khang xa hoi. hieu va cao ((tuc va) or (thuc va)) danh bat ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thieu khang xa hoi. hieu va cao ((tuc va) OR (thuc va)) danh bat ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: thu sach thieu khang xa hoi. hieu va cao ((tuc va) or (thuc va)) danh bat ((cua te) or (cua tu))*.