Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen lam chi snippets" » "den lam chi snippets", "men lam chi snippets", "nong lam chi snippets", "nen nam chi snippets", "nen lam chu snippets", "nen la chi 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 chi 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 chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen lam chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen lam chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.