Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong toan do snippets" » "dong toan code snippets", "dung toan do snippets", "bong toan do snippets", "cong toan do snippets", "dong toan ho snippets", "dong toan co snippets", "dong toan du 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: (((("dong toan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong toan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong toan do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong toan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.