Perhaps you should try some spelling variations:
chau treo » cau treo, cau theo, chau tho
thanh hai » thanh phan, thanh hoa, thanh san
hanh hai » nhanh hai, hang hai, hanh tai
hieu van » hieu va, thien van, lieu va
xuc van » duc van, luc van, vuc van
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
nam xuc » cam xuc, nam xua, nam thuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty ((nang xa) or (lang xa)) hoi. hieu van nam xuc van ((hanh hai) or (thanh hai)) chau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty ((nang xa) OR (lang xa)) hoi. hieu van nam xuc van ((hanh hai) OR (thanh hai)) chau treo.
• Adding a wildcard symbol may retrieve word variants: so sach ty ((nang xa) or (lang xa)) hoi. hieu van nam xuc van ((hanh hai) or (thanh hai)) chau treo*.