Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha trong co snippets" » "pha trong code snippets", "pham trong co snippets", "phan trong co snippets", "pha tron co snippets", "pha trong ca snippets", "pha trong cong snippets", "pha trong cuoc 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: (((("pha trong co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha trong co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha trong co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha trong co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.