Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phoi cac di snippets" » "hoi cac di snippets", "phoi cay di snippets", "phoi mac di snippets", "phoi cac dai snippets", "phoi cac dia snippets", "phoi cac doi 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: (((("phoi cac di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phoi cac di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phoi cac di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phoi cac di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.