Perhaps you should try some spelling variations:
van nhanh » van thanh, van hanh, van khanh
nhanh tai » nhanh thai, nhan tai, thanh tai
cham duc » pham duy, phan duc, cham cuu
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cuc tre » duc tre, cua tre, cuu tre
su tai » su thi, tu tai
tai ky » thai ky, trai ky, sai 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 tai ky lang xa hoi. hieu va ((((cham duc) or (pham duc))) or (cham soc)) van nhanh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su tai ky lang xa hoi. hieu va ((((cham duc) OR (pham duc))) OR (cham soc)) van nhanh tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: su tai ky lang xa hoi. hieu va ((((cham duc) or (pham duc))) or (cham soc)) van nhanh tai cuc tre*.