Perhaps you should try some spelling variations:
ve triet » va trien, su triet
va hanh » van hanh, va thanh, va danh
cac tuc » cac toc, cac tu, cac tac
hoc cac » hoc cao
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma hoa
cac ty » cac ky, cac tu
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc cac ty nang ma hoi. hieu ve cac tuc ((va hanh) or (gia thanh)) vi ((cua te) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cac ty nang ma hoi. hieu ve cac tuc ((va hanh) OR (gia thanh)) vi ((cua te) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: hoc cac ty nang ma hoi. hieu ve cac tuc ((va hanh) or (gia thanh)) vi ((cua te) or (ve triet))*.