Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than va canh snippets" » "thanh va canh snippets", "nhan va canh snippets", "toan va canh snippets", "than van canh snippets", "than va cach snippets", "than ve canh 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: (((("than va canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than va canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than va canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than va canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.