Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toan tu doi snippets" » "toan tu code snippets", "toan du doi snippets", "tran tu doi snippets", "toan thuc doi snippets", "toan tu do snippets", "toan te doi snippets", "toan tu di 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: (((("toan tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan tu doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toan tu doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.