Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va mong he snippets" » "va cong he snippets", "va dong he snippets", "va thong he snippets", "va mong hy snippets", "va mon he snippets", "va mong ha 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: (((("va mong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va mong he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va mong he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va mong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.