Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"2003 va hoi snippets" » "2000 va hoi snippets", "2013 va hoi snippets", "2003 voi hoi snippets", "2003 xa hoi snippets", "2003 va hoc snippets", "2003 va hoa 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: (((("2003 va hoi snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("2003 va hoi snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( 2003 va hoi snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("2003 va hoi snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.