Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
van dung » van dong, xay dung, tin dung
tai cua » thai cua, tai cuc, tri cua
te sach » toc sach
hieu ve » hieu va, hieu van
nam lo » nam bo, nam so, nam co
cam lo » cam ly, cam o
cua te » cua tu
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: ((nguoi sach) or (te sach)) ky nang x hoi. hieu ve ((cam lo) or (nam lo)) van dung tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nguoi sach) OR (te sach)) ky nang x hoi. hieu ve ((cam lo) OR (nam lo)) van dung tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((nguoi sach) or (te sach)) ky nang x hoi. hieu ve ((cam lo) or (nam lo)) van dung tai cua te*.