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