Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho giap voi snippets" » "cho giao voi snippets", "cho gia voi snippets", "cho giang voi snippets", "cho gian voi snippets", "cho gia moi snippets", "cho giap thi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cho giap voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho giap voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho giap voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho giap voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.