Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi cong do snippets" » "phi cong code snippets", "thi cong do snippets", "phan cong do snippets", "pham cong do snippets", "phi cong dot snippets", "phi cuong do snippets", "phi cong so snippets"
"python using java snippets" » "python using 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 java snippets") OR ("phi cong do snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"phi cong do snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( phi cong do snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("phi cong do snippets"))) OR ("locating bug core snippets"))*.