Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van hung chu snippets" » "van hung code snippets", "van dung chu snippets", "manh hung chu snippets", "van duong chu snippets", "van nhung chu snippets", "van hung thu snippets", "van chung chou snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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 data snippets") OR ("van hung chu snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using data snippets\") OR (\"van hung chu snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using data snippets ) OR ( van hung chu snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") OR ("van hung chu snippets"))) OR ("locating bug core snippets"))*.