Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con thi canh snippets" » "con thi hanh snippets", "con thi anh snippets", "con thi oanh snippets", "can thi canh snippets", "co thi canh snippets", "con chi canh 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: (((("con thi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con thi canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con thi canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con thi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.