Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan thai cua snippets" » "lang thai cua snippets", "ban thai cua snippets", "lay thai cua snippets", "lan than cua snippets", "lan tai cuc snippets", "lan tri cua 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 thai cua 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 thai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan thai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan thai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.