Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
tu sac » tu sach, tu san, tu bac
ve hoc » te hoc, va hoc, vi hoc
va cuu » va cau, va chu, va huu
nuoc » quoc, duoc, ngoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu cac)) ky nang xa hoi. hieu ve hoc nuoc va hanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky nang xa hoi. hieu ve hoc nuoc va hanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ky nang xa hoi. hieu ve hoc nuoc va hanh va cuu tre*.