Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sin cong hoa snippets" » "sinh cong hoa snippets", "san cong hoa snippets", "son cong hoa snippets", "sin dong hoa snippets", "sin dong hoc snippets", "sin hang hoa 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: (((("sin cong hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sin cong hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sin cong hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sin cong hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.