Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con sang cho snippets" » "con bang cho snippets", "con nang cho snippets", "con song cho snippets", "con danh cho snippets", "con dung cho snippets", "con sang tao 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 sang 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: (((("con sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.