Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen lam dot snippets" » "den lam dot snippets", "men lam dot snippets", "nong lam dot snippets", "nen lam dat snippets", "nen lam dong snippets", "nen lam duoc 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: (((("nen lam dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen lam dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen lam dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen lam dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.