Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ve triet » va trien, su triet
danh sai » dung sai, danh bat, danh dau
dang xay » dang van, van xay
cau duc » cao duc, cau luc, chu duc
va danh » va dinh, va dan, va hanh
te sach » toc sach
van cau » van dau, van hau, van chat
lang xa » lang ha, lang 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 y ((lang xa) or (dang xay)) hoi. hieu van cau duc va danh sai ((ve triet) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((lang xa) OR (dang xay)) hoi. hieu van cau duc va danh sai ((ve triet) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) or (dang xay)) hoi. hieu van cau duc va danh sai ((ve triet) or (cua tu))*.