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