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