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