Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong le chi snippets" » "duong le code snippets", "duong ve chi snippets", "vuong le chi snippets", "dung le chi snippets", "duong ly chi snippets", "duong ke chi snippets", "duong la chi 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: (((("python using java snippets") or ("duong le chi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duong le chi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duong le chi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duong le chi snippets"))) or ("locating bug core snippets"))*.