Perhaps you should try some spelling variations:
"nom tap toan snippets" » "nom tap code snippets", "nom tap doan snippets", "nom tap quan snippets", "nom bai toan snippets", "nom tay toan snippets", "nom sap toan snippets", "nhom tay toan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("nom tap toan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nom tap toan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nom tap toan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nom tap toan snippets"))) or ("locating bug core snippets"))*.