Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van bac thanh lieu" » "van bac thanh liem", "van bac thanh thieu", "van bac thanh vien", "van ban thanh lieu", "van cac thanh lieu", "van tai thanh lieu", "van bao thanh lieu", "van hac thanh lieu"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 java snippets") or ("van bac thanh lieu"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van bac thanh lieu"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van bac thanh lieu ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van bac thanh lieu"))) or ("locating bug code snippets"))*.