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