Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"noi cho sio2 snippets" » "noi cao sio2 snippets", "noi cho sinh snippets", "noi bao sio2 snippets", "hoi cho sio2 snippets", "moi cho sio2 snippets", "noi co sio2 snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("noi cho sio2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"noi cho sio2 snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( noi cho sio2 snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi cho sio2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.