Perhaps you should try some spelling variations:
hanh dien » nhanh dien, hang dien, danh dien
hieu van » thien van, lieu va, hieu ve
van hanh » van thanh, ban hanh, van anh
dien cua » dieu cua, dien cuc, dien cu
cua viet » ca viet, hoa viet, cua vat
te sach » toc 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 va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van

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

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