Perhaps you should try some spelling variations:
"lochating bug core snippets" » "locating bug core snippets", "lochating bug code snippets"
"python using java snippets" » "python using data snippets"
"van hoc lua snippets" » "van hoa lua snippets", "van hoc luan snippets", "van hoc luat snippets", "van hoc cua snippets"

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

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