Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap nam he snippets" » "cap lam he snippets", "cai nam he snippets", "dap nam he snippets", "cap nam ha snippets", "cap nam hien snippets", "cap nam nghe 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 nam he 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 nam he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap nam he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap nam he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.