Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu khac mo snippets" » "thuc khac mo snippets", "thue khac mo snippets", "thau kham mo snippets", "thu khac do snippets", "thu khac co snippets", "thu khai mo 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: (((("thu khac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu khac mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu khac mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu khac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.