Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
hang tai » hang va, dung tai
van hang » van khang, van hoang, van thang
tai cua » thai cua, tai cuc, tri cua
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
nam lo » nam bo, nam so, nam co
cam lo » cam ly, cam o
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nguoi sach) or (te sach)) ky nang xa hoi. hieu ve ((cam lo) OR (nam lo)) van hang tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nguoi sach) OR (te sach)) ky nang xa hoi. hieu ve ((cam lo) OR (nam lo)) van hang tai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nguoi sach) or (te sach)) ky nang xa hoi. hieu ve ((cam lo) OR (nam lo)) van hang tai cua te".
• Adding a wildcard symbol may retrieve word variants: ((nguoi sach) or (te sach)) ky nang xa hoi. hieu ve ((cam lo) OR (nam lo)) van hang tai cua te*.