Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan tac so snippets" » "phan tac code snippets", "phan tach so snippets", "phan trac so snippets", "phan tap so snippets", "phan tai so snippets", "phan tac co snippets", "phan tac su 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: (((("phan tac so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan tac so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan tac so snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tac so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.