Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung cu coi snippets" » "nhung cau coi snippets", "nhung chu coi snippets", "chung cu coi snippets", "nhung cu chi snippets", "nhung cu co 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: (((("nhung cu coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cu coi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cu coi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.