Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho dong che snippets" » "khoi dong che snippets", "pho dong che snippets", "cho dong che snippets", "kho dong chen snippets", "kho duong che snippets", "kho dong cho 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 che 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 che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho dong che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho dong che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.