Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap hat doi snippets" » "giap hoat doi snippets", "giai khat doi snippets", "giao phat doi snippets", "giap thay doi snippets", "giap hang doi 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 hat doi 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 hat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap hat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap hat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.