Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap thi hong snippets" » "cap thi cong snippets", "cap thi phuong snippets", "cap thi hanh snippets", "cap thai hong snippets", "cau thi hong snippets", "can thi hong 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: (((("cap thi hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap thi hong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap thi hong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap thi hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.