Perhaps you should try some spelling variations:
sang dai » sang tai, lang dai, sang mai
hieu so » thieu so
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
dai hai » dai han, dai hoi, dai tai
hieu su » hieu sau, tieu su, hieu suat
cam tuc » cam xuc, cam tu, nam thuc
vi cua » vai cua, di cua
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
sac ky » cac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sai ky) or (sac ky)) sang dai hai. ((hieu su) or (hieu so)) cam tuc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sai ky) OR (sac ky)) sang dai hai. ((hieu su) OR (hieu so)) cam tuc va danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sai ky) or (sac ky)) sang dai hai. ((hieu su) or (hieu so)) cam tuc va danh vi cua te*.