Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chau van cac snippets" » "chau van code snippets", "chu van cac snippets", "chao van cac snippets", "pham van cac snippets", "chau van hac snippets", "chau van cau snippets", "chau van bac 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: (((("chau van cac snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"chau van cac snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( chau van cac snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau van cac snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.