Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap anh ve snippets" » "lap lanh ve snippets", "lan anh ve snippets", "lap doanh ve snippets", "lap hanh ve snippets", "lap anh va snippets", "lap anh viet 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: (((("lap anh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap anh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap anh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap anh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.