Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nang van » dang van, tang van, lang van
thai cua » than cua, tai cuc, tri cua
nganh ky » nganh y, nganh xay, hanh ky
hai cua » dai cua, hoi cua, lai cua
va hanh » van hanh, va thanh, va danh
van hoi » van hoa, van hoc, van hoe
va dao » ca dao
ve cao » va cao, ve bao, ve cac

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 nang van hoi. hieu ((ve cao) or (va dao)) duc va hanh ((hai cua) OR (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ky nang van hoi. hieu ((ve cao) OR (va dao)) duc va hanh ((hai cua) OR (thai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc nganh ky nang van hoi. hieu ((ve cao) or (va dao)) duc va hanh ((hai cua) OR (thai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: hoc nganh ky nang van hoi. hieu ((ve cao) or (va dao)) duc va hanh ((hai cua) OR (thai cua)) tre*.