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