Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ve chong o2 snippets" » "ve cong o2 snippets", "ve phong o2 snippets", "ve huong o2 snippets", "ve chong oxy snippets", "ve chong doc snippets", "ve chong my 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: (((("ve chong o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ve chong o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ve chong o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ve chong o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.