Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thuc van » thuc vat, thuc dan, thuc va
dang xay » dang van, van xay
van cam » van nam, van lam, van cau
te sach » toc sach
lang xa » lang ha, lang van
cua tuc » cua duc, cua tu, cua thuoc
sach o » sach lo, sac o, sach y
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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