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 luc hai snippets" » "van loc hai snippets", "van duc hai snippets", "van lu hai snippets", "van cuc hai snippets", "van luc tai snippets", "van tuc hai snippets", "van luc hai slippers"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van luc hai snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van luc hai snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
• Removing quotes may allow a broader search: (((( van luc hai snippets ) or ( python using java snippets ))) or ( lochating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van luc hai snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.