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