Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi hoa doc snippets" » "thi hoa doc snippets", "chi hoa doc snippets", "kha hoa doc snippets", "khi hoa duoc snippets", "khi hoa hoc snippets", "khi hoa doi 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 hoa doc 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 hoa doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi hoa doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi hoa doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.