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