Perhaps you should try some spelling variations:
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam loc » cam lo
va danh » va dinh, va dan, va hanh
doi cua » hoi cua
te sai » te tai, te bai, te lai
sai ky » sac ky
loc va » hoc va, luc va
x hoi » xa hoi, o hoi, x ho

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 hoi. ((hieu ve) or (hieu va)) cam loc 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 hoi. ((hieu ve) OR (hieu va)) cam loc va danh ((doi cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky nang x hoi. ((hieu ve) or (hieu va)) cam loc va danh ((doi cua) or (dai cua)) tre*.