Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
danh ban » doanh ban, danh bat, danh bac
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
va danh » va dinh, va dan, va hanh
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
ban su » ban sua, dan su, van su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu khach)) ky nang xa hoi. hieu ve cac tuc va danh ban su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu khach)) ky nang xa hoi. hieu ve cac tuc va danh ban su triet*.