Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong ve mo snippets" » "duong ve code snippets", "duong va mo snippets", "duong vien mo snippets", "duong van mo snippets", "duong ve moi snippets", "duong ve mot snippets", "duong ve mon 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: (((("duong ve mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong ve mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duong ve mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong ve mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.