Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
tan nhanh » tai nhanh, tan nhan, tan thanh
thai cuu » thai cua, tai cuc, thi cuc
cuu tre » cua tre, cau tren, cau treo
ky tang » ky nang, ky dang, kho tang
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ve cam » ve cham, ve cac, va cam
su cac » tu cac, su cao, su can
me hoi » le hoi
su xac » pu xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cac) or (su xac)) ky tang ((me hoi) or (mai hoi)). hieu ve cam duc tan nhanh thai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (su xac)) ky tang ((me hoi) OR (mai hoi)). hieu ve cam duc tan nhanh thai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((su cac) or (su xac)) ky tang ((me hoi) or (mai hoi)). hieu ve cam duc tan nhanh thai cuu tre*.