Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ninh do cua snippets" » "kinh do cua snippets", "ninh co cua snippets", "tinh do cua snippets", "ninh doi cua snippets", "ninh de cua 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: (((("ninh do cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ninh do cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ninh do cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ninh do cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.