Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc cho du snippets" » "nuoc cho du snippets", "quoc cao du snippets", "quoc co du snippets", "quoc cho cu snippets", "quoc cho tu snippets", "quoc cho duoc 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: (((("quoc cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc cho du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc cho du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.