Perhaps you should try some spelling variations:
phu khang » phap khang, phuc khanh, thu hang
thu sach » tu sach, thuat sach, thuoc sach
sach phu » sach thu, sach phat, sach thue
danh bat » doanh bat, anh bai, dinh ba
danh sai » dung sai, danh dau, hanh san
hieu van » hieu va, thien van, lieu va
khang xa » khang a, hang ca, lang xa
cau treo » cau theo, cau tren, cau triet
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren
van am » van nam, van lam, van dam

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 phu khang xa hoi. hieu van am thuc va ((danh sai) OR (danh bat)) ((cuu tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach phu khang xa hoi. hieu van am thuc va ((danh sai) OR (danh bat)) ((cuu tre) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach phu khang xa hoi. hieu van am thuc va ((danh sai) OR (danh bat)) ((cuu tre) or (cau treo))".
• Adding a wildcard symbol may retrieve word variants: thu sach phu khang xa hoi. hieu van am thuc va ((danh sai) OR (danh bat)) ((cuu tre) or (cau treo))*.