Perhaps you should try some spelling variations:
hieu quan » lieu quan, thien quan, lien quan
cam thuc » am thuc, nam thuc, cam thu
thuc van » thuc vat, thuc dan, thuc va
te sach » toc sach
dang xa » dang xay, lang xa, dang ha
van anh » van thanh, tuan anh, van minh
y dang » ky dang, 2 dang, _ dang
anh vi » hanh vi, anh va, anh ve
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 xa hoi. ((hieu qua) or (hieu quan)) cam thuc van anh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y dang xa hoi. ((hieu qua) OR (hieu quan)) cam thuc van anh vi cua te.
• Adding a wildcard symbol may retrieve word variants: te sach y dang xa hoi. ((hieu qua) or (hieu quan)) cam thuc van anh vi cua te*.