Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
tham thuc » nham thuc, pham thuc, tam thuc
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » cua viet, su triet, va triet
khang xa » khang a, hang ca, lang xa
hanh tai » hang tai, han tai, hinh tai
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
thuc va » thuc vat, thuc dan, thuc day

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

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