Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hieu luc » hieu luat, hieu qua
manh hon » manh ho, minh hon, manh huong
cham xuc » cam xuc, chat xuc, cham soc
hieu tuc » hieu thuc, hieu thuoc, lieu thuc
hon cua » hoan cua, hoc cua, hoi cua
va manh » van manh, va danh, va hanh
tu sach » thu sach, su sach, tu cach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
xuc va » duc va, tuc va, luc va

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 (te sach)) ky lang xa hoi. ((hieu tuc) or (hieu luc)) cham xuc va manh hon cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky lang xa hoi. ((hieu tuc) OR (hieu luc)) cham xuc va manh hon cua viet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky lang xa hoi. ((hieu tuc) or (hieu luc)) cham xuc va manh hon cua viet*.