Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soat ninh du snippets" » "hoat tinh du snippets", "sat tinh du snippets", "soat tin du snippets", "soat ninh duc snippets", "soat dinh du snippets", "soat minh duc 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: (((("soat ninh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("soat ninh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soat ninh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soat ninh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.