Perhaps you should try some spelling variations:
sang kyo » sang ky, sang tao, dang ky
sang dai » sang tai, lang dai, sang mai
dai hoi » dai hoc, dai hai, dai moi
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
san ky » sang ky, van ky, dan ky
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((san ky) or (sang kyo)) sang dai hoi. hieu ve cam tuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((san ky) OR (sang kyo)) sang dai hoi. hieu ve cam tuc va hanh vi cua te*.