Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh, hoc phan
hoc anh » hoc nganh, ngoc anh, hoc sinh
hieu va » lieu va, hieu qua
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
cua cau » cua cac, cua chu, cua cay
hieu ve » hieu van
cao hoc » co hoc, cho hoc, chat hoc
ty nang » ky nang, ty xang, ty hang
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc anh) OR (hoc nhanh)) ty nang cao hoc. ((hieu ve) or (hieu va)) cac xuc van anh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc anh) OR (hoc nhanh)) ty nang cao hoc. ((hieu ve) OR (hieu va)) cac xuc van anh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc anh) OR (hoc nhanh)) ty nang cao hoc. ((hieu ve) or (hieu va)) cac xuc van anh vi cua cau*".