Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cuu » thai cua, tai cuc, thi cuc
van hanh » van thanh, ban hanh, van anh
cham duc » cham soc, pham duy, phan duc
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
dai ky » dan ky, dai ly
sai ky » sac 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 ((dai ky) or (sai ky)) dang xa hoi. hieu ve ((cham duc) or (pham duc)) van hanh thai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((dai ky) OR (sai ky)) dang xa hoi. hieu ve ((cham duc) OR (pham duc)) van hanh thai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su ((dai ky) or (sai ky)) dang xa hoi. hieu ve ((cham duc) or (pham duc)) van hanh thai cuu tre*.