Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang son cau snippets" » "lang son cau snippets", "dong son cau snippets", "bang son cau snippets", "dang song cau snippets", "dang so cau snippets", "dang toan cau 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: (((("dang son cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang son cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang son cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang son cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.