Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kha chat hoc snippets" » "phap chat hoc snippets", "khoa cham hoc snippets", "khoa chau hoc snippets", "kha chat hoa snippets", "kha chat thom snippets", "kha cho hoc 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: (((("python using java snippets") or ("kha chat hoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("kha chat hoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( kha chat hoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("kha chat hoc snippets"))) or ("locating bug code snippets"))*.