Perhaps you should try some spelling variations:
"luocating bug code snippets" » "locating bug code snippets", "luocating bug code slippers", "luocating bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc hau 100 snippets" » "duc chau 100 snippets", "duc nhau 100 snippets", "duc hau 100 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: (((("duc hau 100 snippets") or ("python using java snippets"))) or ("luocating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc hau 100 snippets") OR ("python using java snippets"))) OR ("luocating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hau 100 snippets ) or ( python using java snippets ))) or ( luocating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hau 100 snippets") or ("python using java snippets"))) or ("luocating bug code snippets"))*.