Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh dai » hanh tai, hanh dao, vanh dai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
duc ban » duc tan, duc van, dua ban
cua tre » cuu tre, cua triet, dua tren
su mai » su hai, su dai, tu mai
su tai » su thi, tu tai
ve cam » ve cham, ve cac, va cam
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: ((su mai) or (su tai)) ky nang xa hoi. hieu ve cam duc ban hanh dai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su mai) OR (su tai)) ky nang xa hoi. hieu ve cam duc ban hanh dai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((su mai) or (su tai)) ky nang xa hoi. hieu ve cam duc ban hanh dai ((cua tre) or (cua te))*.