Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang van voi snippets" » "dang van voi snippets", "tang van voi snippets", "hoang van voi snippets", "lang van loi snippets", "lang van noi snippets", "lang van von 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: (((("lang van 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: (((("lang van voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang van voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang van voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.