Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gap du hoc snippets" » "lap du hoc snippets", "gap do hoc snippets", "tap du hoc snippets", "gap tu hoc snippets", "gap duoc hoc 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 du hoc 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 du hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gap du hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gap du hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.