Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
tan hanh » tan thanh, tang hanh, toan hanh
cua tre » cua te, cuu tre, cua triet
cao duc » dao duc, cao suc, giao duc
hieu ve » hieu va, hieu van
dung ha » dung va, dung he, dung khoa
dong ha » dong hoa, dong va, dong hoc
ve cao » va cao, ve bao, ve cac
sac ky » cac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sai ky) or (sac ky)) ((dong ha) or (dung ha)) noi. hieu ve cao duc tan hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sai ky) OR (sac ky)) ((dong ha) OR (dung ha)) noi. hieu ve cao duc tan hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sai ky) or (sac ky)) ((dong ha) or (dung ha)) noi. hieu ve cao duc tan hanh thai cua tre*.