Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muong du le snippets" » "luong du le snippets", "mong du le snippets", "muong dieu le snippets", "muong vu le snippets", "muong do le snippets", "muong tu le 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: (((("muong du le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("muong du le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muong du le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muong du le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.