Perhaps you should try some spelling variations:
"thi chap hanh snippets" » "thi nhat hanh snippets", "thi phap han snippets", "thi pham hanh snippets", "thi phap hanh snippets", "thi cham hanh snippets", "thi cap hanh snippets", "thi chap hanh slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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 a snippets") or ("thi chap hanh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("thi chap hanh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( thi chap hanh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("thi chap hanh snippets"))) or ("locating bug code snippets"))*.