Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich can voi snippets" » "tich cac voi snippets", "tich van voi snippets", "dich can voi snippets", "tich ban voi snippets", "tich can moi snippets", "tich cap voi 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: (((("tich can 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: (((("tich can voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich can voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich can voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.