Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh yen le snippets" » "tinh yen le snippets", "trinh den le snippets", "trinh len le snippets", "trinh yen ly snippets", "trinh huyen le snippets", "trinh luyen 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: (((("trinh yen 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: (((("trinh yen le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh yen le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh yen le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.