Perhaps you should try some spelling variations:
khang hoi » khang voi, hang hoa, khanh hoa
van khang » van khanh, van thanh, van quang
luoc van » luoc can, luoc va, luc van
cam luoc » cam xuc, tom luoc, cam lo
lang van » dang van, tang van, hoang van
hieu va » lieu va, hieu qua
hoi cua » hoi chuc
te sach » toc sach
lang xa » lang ha, dang xay
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao

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 (nang x))) or (lang van)) hoi. hieu va cam luoc van khang hoi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((((lang xa) OR (nang x))) OR (lang van)) hoi. hieu va cam luoc van khang hoi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((((lang xa) or (nang x))) or (lang van)) hoi. hieu va cam luoc van khang hoi cua tre*.