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