Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gioi dan cu snippets" » "gioi dang cu snippets", "gioi van cu snippets", "gioi can cu snippets", "gioi dan cua snippets", "gioi dan ca snippets", "gioi dan su 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: (((("gioi dan cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gioi dan cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gioi dan cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gioi dan cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.