Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha vao co snippets" » "pha vao code snippets", "pha van co snippets", "pham van co snippets", "phan van co snippets", "pha vo co snippets", "pha bao co snippets", "pha vao cong 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 vao 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 vao co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha vao co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha vao co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.