Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu dan ke snippets" » "phu san ke snippets", "phu da ke snippets", "phu can ke snippets", "phu dan ky snippets", "phu dan ve snippets", "phu ban ke 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: (((("phu dan ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu dan ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu dan ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu dan ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.