Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong van mo snippets" » "dong van code snippets", "duong van mo snippets", "dang van mo snippets", "dong von mo snippets", "dong van mao snippets", "dong van do snippets", "dong van ho snippets"
"python using java snippets" » "python using data snippets"

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 ("dong van mo snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"dong van mo snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( dong van mo snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("dong van mo snippets"))) OR ("locating bug core snippets"))*.