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