Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan lieu co snippets" » "lan dieu co snippets", "dan lieu co snippets", "lang lien co snippets", "lan lieu so snippets", "lan lieu cong snippets", "lan lieu hoc 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: (((("lan lieu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan lieu co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan lieu co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan lieu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.