Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thu sach » tu sach, thuat sach, thuoc sach
thuc day » thuc dan, thuc vat
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu nham » vu kham, vu cham, sua nham
day dan » day danh, dao dan, cay dan
dan vi » doan vi, don vi, dan va
vi cua » vai cua, di cua
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: ((thu sach) or (thu hoach)) ky nang xa hoi. hieu vu nham thuc day dan vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thu hoach)) ky nang xa hoi. hieu vu nham thuc day dan vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thu hoach)) ky nang xa hoi. hieu vu nham thuc day dan vi cua te*.