Perhaps you should try some spelling variations:
kham luoc » khai luoc, kham cuoc, khac cuoc
thu sach » tu sach, thuat sach, thuoc sach
dang xay » dang van, van xay
vu kham » vu khanh
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
luoc va » nuoc va, duoc va, loc va
te sach » toc sach
hieu vu » hieu va, hieu ve, hieu su
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (thu sach)) ky dang xay hoi. hieu vu kham luoc va hanh vi ((cua tre) or (cua cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky dang xay hoi. hieu vu kham luoc va hanh vi ((cua tre) OR (cua cac)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky dang xay hoi. hieu vu kham luoc va hanh vi ((cua tre) or (cua cac))*.