Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat ve doi snippets" » "nhat ve doi snippets", "phat vi doi snippets", "pha ve doi snippets", "phat va doi snippets", "phat te doi snippets", "phat ve do 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: (((("phat ve doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat ve doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat ve doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat ve doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.