Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van hu cua snippets" » "van hu code snippets", "van huy cua snippets", "van phu cua snippets", "van hau cua snippets", "van tu cua snippets", "van vu cua 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 hu cua 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 hu cua snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using data snippets ) OR ( van hu cua snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") OR ("van hu cua snippets"))) OR ("locating bug core snippets"))*.