Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi chat co snippets" » "thi cham co snippets", "tri chat co snippets", "thi chap co snippets", "thi thuat co snippets", "thi chat cua snippets", "thi chat deo 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 chat 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: (((("thi chat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi chat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi chat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.