Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
cam thuc » am thuc, nam thuc, cam thu
cau treo » cau theo, cau tren, cau triet
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
ve cam » ve cham, ve cac, va cam
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 cam thuc va hanh vi cau treo~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc nganh ((ky lang) OR (ky nang)) xa hoi. hieu ve cam 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 cam thuc va hanh vi cau treo*.