Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"phap hoc 12 snippets" » "phap hoan 12 snippets", "phap mo 12 snippets", "phap han 12 snippets", "phap hoc 10 snippets", "phap hoc 11 snippets", "phap hoc 2012 snippets", "phap hoc 12 slippers"

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: (((("phap hoc 12 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap hoc 12 snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( phap hoc 12 snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap hoc 12 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.