Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham lai lon snippets" » "pham lan lon snippets", "cham mat lon snippets", "cham va lon snippets", "cham lai long snippets", "cham bai lon snippets", "cham hai long 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: (((("cham lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham lai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham lai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.