Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
su triet » su viet, su tien, ve triet
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, va tinh, le thanh
sach ty » sach y, sach tu, sach thu
vu sach » vu bach, su sach, vu khach
hac xuc » chat xuc
van hac » van hoc, van ha, van hai
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va hanh » van hanh, va danh, ban hanh
vi su » va su, ve su, ki su

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang xa hoi. hieu van hac xuc ((va hanh) or (((va thanh) or (ban thanh)))) vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. hieu van hac xuc ((va hanh) OR (((va thanh) OR (ban thanh)))) vi su triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. hieu van hac xuc ((va hanh) or (((va thanh) or (ban thanh)))) vi su triet*.