Perhaps you should try some spelling variations:
khoa hoi » khoan hoi, khoa hoc, khoa doi
te sach » toc sach
tai cua » thai cua, tai cuc, tri cua
dan tai » van tai, dan thi, han tai
cua tre » cua te, cuu tre, cua triet
van lam » van nam
y xang » ty xang
va lap » va dap
tuc va » thuc va, truc va, tuc xa
va dan » ca dan, va dao, va dau
ha hoi » hoa hoi, ha noi, xa hoi

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 xang ((ha hoi) or (khoa hoi)). lieu ((van lam) or (va lap)) tuc va dan tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y xang ((ha hoi) OR (khoa hoi)). lieu ((van lam) OR (va lap)) tuc va dan tai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y xang ((ha hoi) or (khoa hoi)). lieu ((van lam) or (va lap)) tuc va dan tai cua tre*.