Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"2007 cam voi snippets" » "2007 cap voi snippets", "2007 cua voi snippets", "2007 cham voi snippets", "2007 pham voi 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: (((("2007 cam voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("2007 cam voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( 2007 cam voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("2007 cam voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.