Perhaps you should try some spelling variations:
hang dau » hang va, hang tai
ve triet » va trien, su triet
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve hang » ve hoang, ve chang, va hang
va hanh » van hanh, va thanh, ban hanh
hanh ve » hanh vi, hanh va, hanh kem
dau va » dau ve, cau va, lau va
ve ve » de ve, va ve, ke ve

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 ty nang xa hoi. hieu ve hang dau va hanh ve ve triet~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu ve hang dau va hanh ve ve triet*.