Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trai lam con snippets" » "tai lam con snippets", "trai tim con snippets", "trai lam son snippets", "trai lam co snippets", "trai la con snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("trai lam con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trai lam con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trai lam con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trai lam con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.