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