Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi su can snippets" » "khoi su can snippets", "ki su can snippets", "khi cu can snippets", "khi su van snippets", "khi su cao snippets", "khi su han 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: (((("khi su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi su can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi su can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.