Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap chi con snippets" » "giap thi con snippets", "dia chi con snippets", "tap chi con snippets", "giap chi cong snippets", "giap cho con snippets", "giap khi con 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 chi 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 chi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap chi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap chi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.