Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang van phe snippets" » "dang van phe snippets", "tang van phe snippets", "hoang van phe snippets", "lang van phu snippets", "lang va phe snippets", "lang van he 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: (((("lang van phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang van phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang van phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang van phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.