Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong hanh he snippets" » "dong hanh code snippets", "dong thanh he snippets", "dang hanh he snippets", "hong hanh he snippets", "dong hanh che snippets", "dong hanh ve snippets", "dong hanh de 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 hanh he 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 hanh he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong hanh he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hanh he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.