Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rap qua cong snippets" » "rap cua cong snippets", "rap qua song snippets", "rap va cong snippets", "rap sua cong snippets", "rau qua cong snippets", "tap quan cong 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 qua cong 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 qua cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rap qua cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rap qua cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.