Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
hoc nganh » hoc nhanh
cau treo » cau theo, cau tren, cau triet
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nganh ((ky lang) or (ky nang)) xa hoi. hieu ve cham thuc va hanh vi cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ((ky lang) OR (ky nang)) xa hoi. hieu ve cham thuc va hanh vi cau treo.
• Adding a wildcard symbol may retrieve word variants: hoc nganh ((ky lang) or (ky nang)) xa hoi. hieu ve cham thuc va hanh vi cau treo*.