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