Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang tai » hang tai, tang tai, sang tai
phan duc » pham duc, phan tu, phan dau
hanh tai » thanh tai, hang tai, han tai
tai hoi » tai khoi, dai hoi, tai hai
hieu vi » hieu voi, hieu va, hieu ve
vi phan » va phan, vi pham, ve phan
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
tu sac » tu sach, tu cac, tu san
sac ky » cac 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: tu sac ky nang tai hoi. hieu vi phan duc va hanh tai ((cua tre) or (((cua triet) or (cua vat))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang tai hoi. hieu vi phan duc va hanh tai ((cua tre) OR (((cua triet) OR (cua vat)))).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang tai hoi. hieu vi phan duc va hanh tai ((cua tre) or (((cua triet) or (cua vat))))*.