Perhaps you should try some spelling variations:
kham truc » nham thuc, pham thuc, kham trai
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
ngoc anh » ngu anh
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu kham » vu khanh
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu cach) or (thu sach))) or (ngoc anh)) ky nang xa hoi. hieu vu kham truc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu cach) OR (thu sach))) OR (ngoc anh)) ky nang xa hoi. hieu vu kham truc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((((tu cach) or (thu sach))) or (ngoc anh)) ky nang xa hoi. hieu vu kham truc va hanh vi cua triet*.