Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tay van du snippets" » "tay ban du snippets", "ty van du snippets", "may van du snippets", "tay van duy snippets", "tay van dau snippets", "tay van de 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: (((("tay van du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tay van du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tay van du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tay van du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.