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