Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
thu sach » tu sach, thuat sach, thuoc sach
cac dac » cac dan, cac dai, cac bac
va hanh » van hanh, va thanh, va danh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac nuoc

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

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