Perhaps you should try some spelling variations:
dang xay » dang van, van xay
hieu van » thien van, lieu va, hieu ve
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
cua tu » cua tuc, cua su, cua cu

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 _ dang xay hoi. ((hieu va) or (hieu van)) cam xuc van hanh vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach _ dang xay hoi. ((hieu va) OR (hieu van)) cam xuc van hanh vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sach _ dang xay hoi. ((hieu va) or (hieu van)) cam xuc van hanh vi ((cua te) or (cua tu))*.