Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hanh li cac snippets" » "hanh li code snippets", "nhanh li cac snippets", "hanh vi cac snippets", "han li cac snippets", "hanh li ca snippets", "hanh ly cac snippets", "hanh loi cach 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: (((("hanh li cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh li cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hanh li cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh li cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.