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