Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sam dinh du snippets" » "sam dinh code snippets", "nam dinh du snippets", "tham dinh du snippets", "pham dinh du snippets", "sam dinh duc snippets", "sam dinh cu snippets", "sam dinh tu 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 ("sam dinh du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("sam dinh du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( sam dinh du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("sam dinh du snippets"))) or ("locating bug core snippets"))*.