Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so chung don snippets" » "so nhung don snippets", "so chung ton snippets", "so chung do snippets", "ho chung don snippets", "cao chung don 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: (((("so chung don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so chung don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so chung don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so chung don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.