Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong xuan do snippets" » "dong xuan code snippets", "hoang xuan do snippets", "dinh xuan do snippets", "dong cua do snippets", "dong xuan dao snippets", "dong xuan du snippets", "dong xuan ho snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong xuan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong xuan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong xuan do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong xuan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.