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