Perhaps you should try some spelling variations:
khanh tai » thanh tai, hanh tai, nhanh thai
cham tuc » nham thuc, pham thuc, tham thuc
xa khanh » xa thanh, van khanh, dat khanh
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
tai cua » thai cua, tai cuc, tri cua
cua tuc » cua duc, cua tu, cua thuoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (su sach)) ky nang xa hoi. hieu vu cham tuc xa khanh tai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. hieu vu cham tuc xa khanh tai cua tuc.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang xa hoi. hieu vu cham tuc xa khanh tai cua tuc*.