Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham loc » tham nuoc, cham soc, hau loc
cua tre » cua te, cuu tre, dua tren
va tinh » may tinh
ky tang » ky nang, ky dang, kho tang
va hanh » van hanh, va thanh, va danh
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
tang ma » mang may, tang van
ma hoi » mai hoi, xa hoi, ma hoa
te cao » te bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cao ky tang ma hoi. hieu va tham loc ((va hanh) or (va tinh)) vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cao ky tang ma hoi. hieu va tham loc ((va hanh) OR (va tinh)) vi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te cao ky tang ma hoi. hieu va tham loc ((va hanh) or (va tinh)) vi ((cua tre) or (cua triet))*.