Perhaps you should try some spelling variations:
cam truc » cau truc, nam truc, lam truoc
su triet » su viet, su tien, ve triet
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
va han » va phan, van han, va hang
tai su » tai so, tai tu, lai su
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang x hoi. hieu ve cam truc ((va han) or (va hanh)) tai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x hoi. hieu ve cam truc ((va han) OR (va hanh)) tai su triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x hoi. hieu ve cam truc ((va han) or (va hanh)) tai su triet*.