Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi trong he snippets" » "doi trong code snippets", "doi tuong he snippets", "dot trong he snippets", "dong trong he snippets", "doi trong che snippets", "doi trong hue snippets", "doi trong le 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: (((("doi trong he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"doi trong he snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( doi trong he snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi trong he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.