Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using c snippets" » "python using code snippets", "python using lc snippets", "python using a snippets", "python using _ snippets"
"pham trinh java snippets" » "pham tinh java snippets", "pham minh java snippets", "pham thanh java 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 c snippets") OR ("pham trinh java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using c snippets\") OR (\"pham trinh java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using c snippets ) OR ( pham trinh java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using c snippets") OR ("pham trinh java snippets"))) OR ("locating bug core snippets"))*.