Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh le du snippets" » "manh le du snippets", "oanh le du snippets", "anh ve du snippets", "anh le duc snippets", "anh le duy snippets", "anh ly du 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: (((("anh le du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh le du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh le du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh le du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.