Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vis ca cuoc snippets" » "vis va cuoc snippets", "vis cho cuoc snippets", "vis dao cuoc snippets", "vis a cuoc snippets", "vit ca cuoc 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: (((("vis ca cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vis ca cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vis ca cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vis ca cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.