Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu van cong snippets" » "thu van code snippets", "thu van dong snippets", "thu van phong snippets", "thu phan cong snippets", "thuc van cong snippets", "thuy van cong snippets", "tu van cong 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: (((("thu van cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"thu van cong snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( thu van cong snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu van cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.