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