Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gap cua doi snippets" » "tap cua doi snippets", "ap cua doi snippets", "lap cua doi snippets", "gap sua doi snippets", "gap cua dai snippets", "gap cua hoi 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: (((("gap cua 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: (((("gap cua doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gap cua doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gap cua doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.