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