Perhaps you should try some spelling variations:
va triet » va trien, ve triet, cua triet
tinh vai » tinh va, tinh hai, tinh bai
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam tuc » cam xuc, nam thuc, dam thuc
va tinh » may tinh
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
cam tu » cam thu, nam tu, dam tu
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang ma hoi. hieu ve ((cam tuc) or (cam tu)) va tinh vai ((va triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ma hoi. hieu ve ((cam tuc) OR (cam tu)) va tinh vai ((va triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: so sach y nang ma hoi. hieu ve ((cam tuc) or (cam tu)) va tinh vai ((va triet) or (va thiet))*.