Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap thi hoan snippets" » "lap thi hoa snippets", "lap thi hanh snippets", "lap thi hong snippets", "lap tai hoan snippets", "la thi hoan snippets", "lai thi hoan 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 thi hoan 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 thi hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap thi hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap thi hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.