Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don dinh chi snippets" » "doan dinh chi snippets", "do dinh chi snippets", "don tinh chi snippets", "don dinh thi snippets", "don dinh tri snippets", "don dinh moi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("don dinh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don dinh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don dinh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don dinh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.