Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, anh thai
hanh tai » thanh tai, hang tai, han tai
cua tre » cua te, cuu tre, cua triet
nang ra » nang ma, lang ra, nang ro
hieu ve » hieu va, hieu van
cac suc » cao suc, cac nuoc, cac cuoc
tu sac » tu sach, tu cac, tu bac
ra lai » ra glai, ru lai, va lai
tu san » thu san, tu ban, tu can
ve cac » va cac, vien cac

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 san)) ky nang ra lai. hieu ve cac suc manh ((hanh thai) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang ra lai. hieu ve cac suc manh ((hanh thai) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang ra lai. hieu ve cac suc manh ((hanh thai) or (hanh tai)) cua tre*.