Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang phu cua snippets" » "lang phu cua snippets", "tang khu cua snippets", "trang phuc cua snippets", "tang phuc cua snippets", "tang hu cua snippets", "tang thu cua 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: (((("tang phu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang phu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang phu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang phu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.