Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc va chat snippets" » "nuoc va chat snippets", "ngoc ha chat snippets", "goc va chat snippets", "ngoc van chat snippets", "ngoc va phat snippets", "ngoc va cham 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 va chat 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 va chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc va chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc va chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.