Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don voi code snippets" » "don voi cong snippets", "don voi con snippets", "dong voi code snippets", "doi voi code snippets", "don vi code snippets"
"locating bug core snippets" » "locating bug code 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 ("don voi code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"don voi code snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( don voi code snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("don voi code snippets"))) OR ("locating bug core snippets"))*.