Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han tap rong snippets" » "han tap cong snippets", "han ta rong snippets", "han tap dong snippets", "han tai rong snippets", "toan tap rong snippets", "nhan tai rong 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: (((("han tap rong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han tap rong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han tap rong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han tap rong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.