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