Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
cam thuc » am thuc, nam thuc, cam thu
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
cuu tre » cua tre, cau tren, cau treo
ve cam » ve cham, ve cac, va cam
vi cuu » vi luu, vinh cuu

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 cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ((ky lang) OR (ky nang)) xa hoi. hieu ve cam thuc va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: hoc nganh ((ky lang) or (ky nang)) xa hoi. hieu ve cam thuc va hanh vi cuu tre*.