Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
sach tai » sach bai, sach tham, sach dao
tai nang » thi nang, tai lang, dai nang
cham tuc » nham thuc, tham thuc, cham soc
hanh vai » hanh vi, hanh va, hanh tai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai 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 tai nang xa hoi. hieu ve ((cham tuc) or (pham thuc)) va hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tai nang xa hoi. hieu ve ((cham tuc) OR (pham thuc)) va hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach tai nang xa hoi. hieu ve ((cham tuc) or (pham thuc)) va hanh vai cua triet*.