Perhaps you should try some spelling variations:
"quoc trinh ly snippets" » "quoc thinh ly snippets", "qua trinh ly snippets", "quy trinh ly snippets", "quoc trinh ky snippets", "quoc trinh do snippets", "quoc trinh tu snippets", "quoc trinh ly 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 ("quoc trinh ly snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("quoc trinh ly snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( quoc trinh ly snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("quoc trinh ly snippets"))) or ("locating bug code snippets"))*.