Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sinh cua doi snippets" » "sinh cua code snippets", "manh cua doi snippets", "dinh cuu doi snippets", "sinh va doi snippets", "sinh sua doi snippets", "sinh cua dai snippets", "sinh cua hoi 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: (((("sinh cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh cua doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sinh cua doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.