Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khap su mong snippets" » "phap su mong snippets", "thap su mong snippets", "khat sua mong snippets", "khap su song snippets", "khap su cong snippets", "khap su 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: (((("khap su mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khap su mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khap su mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khap su mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.