Perhaps you should try some spelling variations:
tan nhanh » tai nhanh, tan nhan, tran thanh
tan thanh » tran thanh, tang thanh, toan thanh
cham duc » pham duc, cham soc, pham duy
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac 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 xac ky tang xa hoi. hieu ve cham duc ((tan nhanh) or (tan thanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky tang xa hoi. hieu ve cham duc ((tan nhanh) OR (tan thanh)) dai cua tre.
• Adding a wildcard symbol may retrieve word variants: su xac ky tang xa hoi. hieu ve cham duc ((tan nhanh) or (tan thanh)) dai cua tre*.