Perhaps you should try some spelling variations:
may nang » may nong, ky nang, cao nang
van hang » van khang, van hoang, van thang
su sach » so sach, vu sach
vu nang » vuc nang, va nang, vu dang
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
hang di » hang doi, hang vi, hang dien
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((((may nang) or (cam nang))) or (vu nang)) x hoi. hieu qua cac xuc van hang di cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((((may nang) OR (cam nang))) OR (vu nang)) x hoi. hieu qua cac xuc van hang di cua vat.
• Adding a wildcard symbol may retrieve word variants: su sach ((((may nang) or (cam nang))) or (vu nang)) x hoi. hieu qua cac xuc van hang di cua vat*.