Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc hanh du snippets" » "doc hanh code snippets", "hoc hanh du snippets", "duc hanh du snippets", "doi hanh du snippets", "doc hanh dua snippets", "doc hanh tu snippets", "doc 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: (((("doc hanh du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc hanh du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc hanh du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc hanh du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.