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