Perhaps you should try some spelling variations:
"han cho mong snippets" » "han cho code snippets", "han cho muong snippets", "han cho cong snippets", "han cho dong snippets", "hang cho mong snippets", "han che mong snippets", "san cho mong 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 ("han cho mong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("han cho mong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( han cho mong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("han cho mong snippets"))) or ("locating bug core snippets"))*.