Perhaps you should try some spelling variations:
"dao hoi long snippets" » "dao hoi code snippets", "dao hoi luong snippets", "dao hai long snippets", "dao hoi lang snippets", "dao thoi long snippets", "dai hoi long snippets", "dao ho long 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 ("dao hoi long snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dao hoi long snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dao hoi long snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dao hoi long snippets"))) or ("locating bug core snippets"))*.