Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nam tro sio2 snippets" » "nam sro sio2 snippets", "nam bao sio2 snippets", "nam cao sio2 snippets", "nam tho sio2 snippets", "nam tra sio2 snippets", "nam trong 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: (((("nam tro 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: "((((\"nam tro sio2 snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( nam tro sio2 snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam tro sio2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.