Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi moi cach snippets" » "phi muoi cach snippets", "phi loi cach snippets", "phi mot cach snippets", "thi moi cach snippets", "khi moi cach 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: (((("phi moi cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi moi cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi moi cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi moi cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.