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 thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
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 thi nang xa hoi. hieu ve ((cham tuc) OR (pham thuc)) va hanh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach thi 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 thi nang xa hoi. hieu ve ((cham tuc) OR (pham thuc)) va hanh vai cua triet*.