Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
phu khang » phap khang, phuc khanh, thu hang
cua triet » cua viet, su triet, va triet
phu lang » phap lang, phu luong, phu quang
thi nang » thi cong, ki nang, thi hanh
nang cam » nang cham, nang cao, nang cap
cam thuc » am thuc, nam thuc, cam thu
danh dau » lanh dao, hang dau, danh tu
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
dau cua » dai cua, day cua, cau cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ((phu lang) or (phu khang)) xa hoi. thi nang cam thuc va danh dau cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ((phu lang) OR (phu khang)) xa hoi. thi nang cam thuc va danh dau cua triet.
• Adding a wildcard symbol may retrieve word variants: thuoc sach ((phu lang) or (phu khang)) xa hoi. thi nang cam thuc va danh dau cua triet*.