Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao mong du snippets" » "hao gong du snippets", "hao kong du snippets", "hao mon du snippets", "hao muong du snippets", "hao mong do snippets", "hao song 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: (((("hao mong 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: (((("hao mong du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao mong du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao mong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.