Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi gia chat snippets" » "thi gia cat snippets", "thi giai khat snippets", "thi hoa chat snippets", "phi gia chat snippets", "tri gia chat snippets", "khi gia chat 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: (((("thi gia chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi gia chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi gia chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi gia chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.