Perhaps you should try some spelling variations:
nguoi san » nguoi tay, nguoi dao, nguoi ma
hanh tai » thanh tai, hang tai, han tai
toc sach » hoc sach, doc sach, thuoc sach
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
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 (toc sach)) ky nang xa hoi. hieu ve cam loc van hanh tai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nguoi san) OR (toc sach)) ky nang xa hoi. hieu ve cam loc van hanh tai ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: ((nguoi san) or (toc sach)) ky nang xa hoi. hieu ve cam loc van hanh tai ((cua te) or (cua tu))*.