Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thai ha can snippets" » "thi ha can snippets", "thai va can snippets", "thai khoa can snippets", "thai hau can snippets", "thai ha canh snippets", "thai ha van 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: (((("thai ha can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thai ha can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thai ha can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thai ha can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.