Perhaps you should try some spelling variations:
nguoi san » nguoi tay, nguoi dao, nguoi ma
toc sach » hoc sach, doc sach, thuoc sach
hanh tai » thanh tai, hang tai, han tai
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam loc » cam lo
loc van » luoc van, hoc van, lo van
tai cua » thai cua, tai cuc, tri cua
ve cam » ve cham, ve cac, va cam
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nguoi san) or (((te sach) or (toc sach)))) ky nang xa hoi. hieu ve cam loc van hanh tai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nguoi san) OR (((te sach) OR (toc sach)))) ky nang xa hoi. hieu ve cam loc van hanh tai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((nguoi san) or (((te sach) or (toc sach)))) ky nang xa hoi. hieu ve cam loc van hanh tai cua tu*.