Perhaps you should try some spelling variations:
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va danh » va dinh, va dan, va hanh
doi cua » hoi cua
te sai » te tai, te bai, te lai
sai ky » sac ky
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky nang x ho. ((hieu ve) or (hieu va)) cam tuc va danh ((doi cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang x ho. ((hieu ve) OR (hieu va)) cam tuc va danh ((doi cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky nang x ho. ((hieu ve) or (hieu va)) cam tuc va danh ((doi cua) or (dai cua)) tre*.