Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai dong so snippets" » "lao dong so snippets", "lam dong so snippets", "lai hong so snippets", "lai dong son snippets", "lai dong co snippets", "lai cong 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: (((("lai dong 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: (((("lai dong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai dong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai dong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.