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 tan 100 snippets" » "duc tran 100 snippets", "duc toan 100 snippets", "duc than 100 snippets", "duc tan 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 tan 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 tan 100 snippets") OR ("python using java snippets"))) OR ("luocating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc tan 100 snippets ) or ( python using java snippets ))) or ( luocating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc tan 100 snippets") or ("python using java snippets"))) or ("luocating bug code snippets"))*.