Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bua huy toan snippets" » "bua huy code snippets", "bua huy tran snippets", "bua huu toan snippets", "bua huy hoang snippets", "bui huy toan snippets", "qua huy toan snippets", "xuan huy toan 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: (((("bua huy toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua huy toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bua huy toan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua huy toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.