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