Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh, hoc phan
thanh hai » thanh phan, thanh hoa, thanh san
va thanh » gia thanh, ban thanh, va tinh
va triet » va thiet, va trien, ve triet
nang van » dang van, tang van, lang van
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va
cac dac » cac dan, cac dai, cac bac
hoc anh » hoc nganh, ngoc anh, hoc sinh
dac va » duc va, day va, dat va
hai va » hai van, thai va, hoi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc nhanh) or (hoc anh)) ky nang van hoi. ((hieu va) or (hieu qua)) cac dac va thanh hai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc nhanh) OR (hoc anh)) ky nang van hoi. ((hieu va) OR (hieu qua)) cac dac va thanh hai va triet.
• Adding a wildcard symbol may retrieve word variants: ((hoc nhanh) or (hoc anh)) ky nang van hoi. ((hieu va) or (hieu qua)) cac dac va thanh hai va triet*.