Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"luc cho lua snippets" » "luc cao lua snippets", "nuoc cho lua snippets", "luat cho lua snippets", "luc cho qua snippets", "luc cho sua snippets", "luc chat lua snippets"

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

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