Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung tu bo snippets" » "nhung thu bo snippets", "chung tu bo snippets", "hung tu bo snippets", "nhung tu so snippets", "nhung tu do snippets", "nhung tu co 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: (((("nhung tu bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung tu bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung tu bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung tu bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.