Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
danh vai » danh sai, danh va, doanh van
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
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: su sach thi nang xa hoi. ((hieu ve) or (hieu qua)) am thuc va danh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thi nang xa hoi. ((hieu ve) OR (hieu qua)) am thuc va danh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach thi nang xa hoi. ((hieu ve) or (hieu qua)) am thuc va danh vai cua triet*.