Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truan ban le snippets" » "toan ban le snippets", "thuat ban le snippets", "nhuan ban le snippets", "truan ban ve 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: (((("truan ban 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: (((("truan ban le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truan ban le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truan ban le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.