Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
cam truc » cau truc, nam truc, lam truoc
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
ky tang » ky nang, ky dang, kho tang
ky lang » ky nang, ky dang, tay lang
ve cam » ve cham, ve cac, va cam
vi cuu » vi luu, vinh cuu
ha hoi » hoa hoi, ha noi, xa hoi

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) or (hoc nhanh)) ((ky lang) OR (ky tang)) ha hoi. hieu ve cam truc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc nganh) OR (hoc nhanh)) ((ky lang) OR (ky tang)) ha hoi. hieu ve cam truc va hanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc nganh) or (hoc nhanh)) ((ky lang) OR (ky tang)) ha hoi. hieu ve cam truc va hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((hoc nganh) or (hoc nhanh)) ((ky lang) OR (ky tang)) ha hoi. hieu ve cam truc va hanh vi cuu tre*.