Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
cau xuc » cam xuc, cau luc, chat xuc
han tai » hang tai, nhan tai, van tai
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va han » va phan, van han, va hanh
cuc te » cua te, cuc thue, cuc tieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky ((nang xa) or (lang xa)) hoi. hieu van ((cau xuc) or (cau truc)) va han tai cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((nang xa) OR (lang xa)) hoi. hieu van ((cau xuc) OR (cau truc)) va han tai cuc te.
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang xa) or (lang xa)) hoi. hieu van ((cau xuc) or (cau truc)) va han tai cuc te*.