Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu trong co snippets" » "thuc trong co snippets", "thue trong co snippets", "thuy trong co snippets", "thu trong ca snippets", "thu trong cong snippets", "thu trong cuoc 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: (((("thu trong 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: (((("thu trong co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu trong co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu trong co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.