Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long qua cho snippets" » "long quan cho snippets", "long cua cho snippets", "song qua cho snippets", "long qua co snippets", "long qua kho snippets", "long qua chu 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: (((("long qua cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long qua cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long qua cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long qua cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.