Perhaps you should try some spelling variations:
nang cap » nang cao, nang cham, nang phap
cap hoi » cap phoi, cau hoi, cap voi
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, va danh
vai cua » hai cua, lai cua, bai cua
so cac » sao cac, so cap, o cac
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so cac ky nang cap hoi. ((hieu ve) or (hieu va)) cam luc va hanh ((vai cua) OR (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so cac ky nang cap hoi. ((hieu ve) OR (hieu va)) cam luc va hanh ((vai cua) OR (dai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so cac ky nang cap hoi. ((hieu ve) or (hieu va)) cam luc va hanh ((vai cua) OR (dai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: so cac ky nang cap hoi. ((hieu ve) or (hieu va)) cam luc va hanh ((vai cua) OR (dai cua)) tre*.