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