Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can theo chu snippets" » "chan theo chu snippets", "cau theo chu snippets", "can tho chu snippets", "can theo chieu snippets", "can cho chu snippets", "can chao 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: (((("can theo chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can theo chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can theo chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can theo chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.