Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chinh di snippets" » "hoan chinh di snippets", "hoc sinh di snippets", "hoc kinh di snippets", "hoc chinh vi snippets", "hoc chinh do snippets", "hoc chinh du 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: (((("hoc chinh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc chinh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chinh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chinh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.