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