Perhaps you should try some spelling variations:
nganh ky » nganh y, nganh xay, hanh ky
sanh ky » hanh ky, sang ky, thanh ky
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
xuc cac » xuc tac, tuc cac, xuc cam
ve cam » ve cham, ve cac, va cam
dan va » doan va, dan ca, ban va
va cua » va chua, via cua, ca cua
cua su » qua su

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

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