Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu can chan snippets" » "phu dan chan snippets", "phu cam chan snippets", "phu ban chan snippets", "phu san chan snippets", "pho can chan snippets", "thu canh chan 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 can chan 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 can chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu can chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu can chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.