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