Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian dao du snippets" » "giang dao du snippets", "gian dan du snippets", "gian dac du snippets", "gian dao duc snippets", "gian dao duy snippets", "gian dao do 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: (((("gian dao du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian dao du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian dao du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian dao du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.