Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phung vu ha slippers" » "hung vu ha slippers", "phung van ha slippers", "phung duc ha slippers", "phung vu va slippers", "phung vu ha slippery", "phung vu ha grippers"
"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: (((("phung vu ha slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phung vu ha slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phung vu ha slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phung vu ha slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.