Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thuc dan » thuc hanh, hoc dan, thuc vat
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc day
nang xa » nang x, lang xa, nang ma
co sach » bo sach, cuon sach, hoc sach
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (co sach)) ky nang xa hoi. hieu ve cam ((thuc va) OR (thuc dan)) hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (co sach)) ky nang xa hoi. hieu ve cam ((thuc va) OR (thuc dan)) hanh vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (co sach)) ky nang xa hoi. hieu ve cam ((thuc va) OR (thuc dan)) hanh vai cua triet*".