Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
hieu va » lieu va, hieu qua
bac hoc » bai hoc, bac ho
tu sac » tu sach, tu san, tu bac
va bac » van bac, va cac, va bai
vi cua » vai cua, di cua
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: ((tu sac) or (tu cac)) ((ky lang) or (ky tang)) xa hoi. hieu va bac hoc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ((ky lang) OR (ky tang)) xa hoi. hieu va bac hoc va thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ((ky lang) or (ky tang)) xa hoi. hieu va bac hoc va thanh vi cua te*.