Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap han hoc snippets" » "cap phan hoc snippets", "cap can hoc snippets", "cap hay hoc snippets", "cap nhan hoc snippets", "cap than hoc snippets", "cap van hoc 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 han hoc 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 han hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap han hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap han hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.