Perhaps you should try some spelling variations:
thai thuc » thai thuy, thai tuc, tham thuc
pham thuc » phap thuc, pham chuc, nham thuc
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
nam thuc » nam thuoc, am thuc, nam thu
cuu tre » cua tre, cau tren, cau treo
nang co » nang cao, nang doc, nang noi
vi cuu » vi luu, vinh cuu
tu sai » tu bai, tu san, tu cai
co hoi » co hoc, co loi
sai ky » sac 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 sai ky nang co hoi. hieu van ((thai thuc) or (((pham thuc) or (nam thuc)))) va thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang co hoi. hieu van ((thai thuc) OR (((pham thuc) OR (nam thuc)))) va thanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang co hoi. hieu van ((thai thuc) or (((pham thuc) or (nam thuc)))) va thanh vi cuu tre*.