Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong cho co snippets" » "trong tho co snippets", "trong co co snippets", "rong cho co snippets", "trong cheo co snippets", "trong cho cao snippets", "trong cho con 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 cho co 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 cho co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong cho co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong cho co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.