Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
dang xa » dang xay, dang ha, dang va
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky
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: su sai ky ((dang xa) or (lang xa)) hoi. hieu ve cam duc va hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((dang xa) OR (lang xa)) hoi. hieu ve cam duc va hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky ((dang xa) or (lang xa)) hoi. hieu ve cam duc va hanh thai cua tre*.