Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
nang van » dang van, tang van, lang van
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, hanh tai, thanh lap
su triet » su viet, su tien, ve triet
tu sach » su sach, te sach, tu cach
cau xuc » cam xuc, cau luc, chat xuc
va hanh » van hanh, va thanh, va danh

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 (thu sach)) ky nang van hoa. hieu van ((cau xuc) or (cau truc)) va hanh lai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang van hoa. hieu van ((cau xuc) OR (cau truc)) va hanh lai su triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang van hoa. hieu van ((cau xuc) or (cau truc)) va hanh lai su triet*.