Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rap va hoi snippets" » "tap va hoi snippets", "lap va hoi snippets", "cap va hoi snippets", "rap xa hoi snippets", "rap va hoc snippets", "rap va hoa 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: (((("rap va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rap va hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rap va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rap va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.