Perhaps you should try some spelling variations:
sang kyo » sang tao, dang ky, sang cho
sang ky » dang ky, tang ky, bang ky
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc cac » xuc tac, tuc cac, xuc cam
ve cac » va cac, vien cac
dan va » doan va, dan ca, ban va
va cua » va chua, via cua, ca cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sang ky) OR (sang kyo)) nang cao hoi. hieu ve cac xuc cac dan va cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sang ky) OR (sang kyo)) nang cao hoi. hieu ve cac xuc cac dan va cua tu".
• Adding a wildcard symbol may retrieve word variants: so ((sang ky) OR (sang kyo)) nang cao hoi. hieu ve cac xuc cac dan va cua tu*.