Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung lan so snippets" » "nhung lan code snippets", "nhung lang so snippets", "nhung van so snippets", "phuong lan so snippets", "nhung lan o snippets", "nhung dan so snippets", "nhung lan lo snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("nhung lan so snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nhung lan so snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nhung lan so snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nhung lan so snippets"))) or ("locating bug core snippets"))*.