Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap khi con snippets" » "giap thi con snippets", "gia kha con snippets", "gia khoi con snippets", "giap khi cong snippets", "giap chi con snippets", "giap khi co 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: (((("giap khi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giap khi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap khi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap khi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.