Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"son cao sio2 snippets" » "son bao sio2 snippets", "son cao son snippets", "son cao so snippets", "toan cao sio2 snippets", "cong cao sio2 snippets", "dong cao 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: (((("son cao 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: "((((\"son cao sio2 snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( son cao sio2 snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son cao sio2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.