Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham cuu toc snippets" » "cap cuu toc snippets", "chat cua toc snippets", "cham cuu tac snippets", "cham cuu hoc snippets", "cham cua toc 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 cuu toc 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 cuu toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham cuu toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham cuu toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.