Perhaps you should try some spelling variations:
dang xay » dang van, van xay
hieu van » thien van, lieu va, hieu ve
thuc van » thuc vat, thuc dan, thuc va
te sach » toc sach
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
duc van » duc va, duc tan, duc manh
y dang » ky dang, 2 dang, _ dang
vi cua » vai cua, di cua
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: te sach y dang xay hoi. ((hieu va) or (hieu van)) cam ((thuc van) or (duc van)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y dang xay hoi. ((hieu va) OR (hieu van)) cam ((thuc van) OR (duc van)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: te sach y dang xay hoi. ((hieu va) or (hieu van)) cam ((thuc van) or (duc van)) hanh vi cua te*.