Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho mang den snippets" » "cho hang den snippets", "cho lang den snippets", "cho nang den snippets", "cho mang dien snippets", "cho man den snippets", "cho mang nen 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: (((("cho mang den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho mang den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho mang den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho mang den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.