Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong son cuu snippets" » "dong son code snippets", "dong von cuu snippets", "dong san cuu snippets", "hoang son cuu snippets", "dong song cuu snippets", "dong so cuu snippets", "dong song cua 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: (((("dong son cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong son cuu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong son cuu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong son cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.