Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"su triet le snippets" » "su viet le snippets", "su tien le snippets", "ve triet le snippets", "su triet ly snippets", "su triet li snippets", "su trieu le 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: (((("su triet le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su triet le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su triet le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su triet le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.