Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vuong tp co snippets" » "vuong thi co snippets", "vuong tat co snippets", "cuong tap co snippets", "vuong tap co snippets", "vuong ty co snippets", "vuong tp ho 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: (((("vuong tp co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vuong tp co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vuong tp co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vuong tp co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.