Perhaps you should try some spelling variations:
thieu hang » thieu khang, thieu quang, thi hang
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
thuc dan » thuc hanh, hoc dan
hanh tai » thanh tai, hang tai, han tai
hang xa » hoang xa, hang va, hang ca
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
tai cua » thai cua, tai cuc, tri cua

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 hang xa hoi. hieu va tham ((thuc dan) or (thuc vat)) hanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thieu hang xa hoi. hieu va tham ((thuc dan) OR (thuc vat)) hanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach thieu hang xa hoi. hieu va tham ((thuc dan) or (thuc vat)) hanh tai cua triet*.