Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"phan dau van snippets" » "phan tu van snippets", "hang dau van snippets", "phan dao van snippets", "phan dam van snippets", "phan dau va 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 ("phan dau van snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using data snippets\") OR (\"phan dau van snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using data snippets ) OR ( phan dau van snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") OR ("phan dau van snippets"))) OR ("locating bug core snippets"))*.