Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi vuong le snippets" » "thi vuong le snippets", "phi thuong le snippets", "phap vuong le snippets", "phi xuong len snippets", "phi vuong qh snippets", "phi trong le 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: (((("phi vuong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi vuong le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi vuong le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi vuong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.