Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"de dat huong snippets" » "de dai huong snippets", "de sat huong snippets", "de doan huong snippets", "de dao huong snippets", "de dat huong slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("de dat huong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de dat huong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de dat huong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de dat huong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.