Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug code slippers", "lochating bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"van huy dat snippets" » "van duy dat snippets", "van hung dat snippets", "van quy dat snippets", "van huu dat snippets", "van thue dat snippets", "van huy dat slippers"

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

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