Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho dong he snippets" » "khoi dong he snippets", "pho dong he snippets", "cho dong he snippets", "kho dong che snippets", "kho dung he snippets", "kho dong ha 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: (((("kho dong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho dong he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho dong he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho dong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.