Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khat ha so snippets" » "kham pha so snippets", "chat hoa so snippets", "khac hau so snippets", "khat ha son snippets", "khat hai so snippets", "khat ham so 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: (((("khat ha so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khat ha so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khat ha so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khat ha so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.