Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khat ha chi snippets" » "kham pha chi snippets", "chat hoa chi snippets", "khac hau chi snippets", "khat hai chi snippets", "khat ho chi snippets", "khat ha thi 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 chi 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 chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khat ha chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khat ha chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.