Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
van hang » van khang, van hoang, van thang
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
doi cua » dai cua, hoi cua
ve cac » va cac, vien cac
di cua » dai cua, de cua, do cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (nguoi sach)) ky nang xa hoi. hieu ve cac xuc van hang ((di cua) or (doi cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (nguoi sach)) ky nang xa hoi. hieu ve cac xuc van hang ((di cua) OR (doi cua)) viet.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (nguoi sach)) ky nang xa hoi. hieu ve cac xuc van hang ((di cua) or (doi cua)) viet*.