Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cam thuc » am thuc, nam thuc, cam thu
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
vu sach » vu bach, su sach, vu khach
tu cach » tu cac
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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 (tu cach))) or (vu sach)) ky nang xa hoi. hieu ve cam thuc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (tu cach))) OR (vu sach)) ky nang xa hoi. hieu ve cam thuc va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (tu cach))) or (vu sach)) ky nang xa hoi. hieu ve cam thuc va hanh vai cua tre*.