Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua lam so snippets" » "chua gam so snippets", "chua lap so snippets", "cua lam so snippets", "chua lam son snippets", "chua nam so snippets", "chua ham so 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: (((("chua lam so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua lam so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua lam so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua lam so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.