Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"non nuoc can snippets" » "son nuoc can snippets", "nguon nuoc can snippets", "song nuoc can snippets", "non luoc can snippets", "non nuoc san snippets", "non nuoc cap 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: (((("non nuoc 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: (((("non nuoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( non nuoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("non nuoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.