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