Perhaps you should try some spelling variations:
luc cham » luc tham, tuc cham, phuc cham
cham xuc » cam xuc, chat xuc, cham soc
minh hai » minh khai, tinh hai, manh hai
kho tang » cao tang
hieu luc » hieu luat, hieu qua
ca viet » co viet, hoa viet, san viet
va minh » van minh, vua minh, va kinh
tu sach » thu sach, su sach, tu cach
tang xa » trang xa, tang ma, lang xa
te sach » toc sach
va viet » hoa viet, san viet, mai viet
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)) kho tang xa hoi. hieu luc cham xuc va minh hai ((ca viet) or (va viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) kho tang xa hoi. hieu luc cham xuc va minh hai ((ca viet) OR (va viet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) kho tang xa hoi. hieu luc cham xuc va minh hai ((ca viet) or (va viet))*.