Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van bam line snippets" » "van tam linh snippets", "van nam linh snippets", "van ban linh snippets", "van ban line snippets", "van nam line snippets", "van bao line 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 bam line 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 bam line snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van bam line snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van bam line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.