Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu moi he snippets" » "phu doi he snippets", "phi moi he snippets", "phu loi he snippets", "phu moi ve snippets", "phu moi ke snippets", "phu moi de 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: (((("phu moi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu moi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu moi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu moi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.