Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha kieu can snippets" » "pha kieu code snippets", "phan kien can snippets", "phan hieu can snippets", "phan kiem can snippets", "pha dieu can snippets", "pha kieu van snippets", "pha kieu tan 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: (((("python using java snippets") or ("pha kieu can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("pha kieu can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( pha kieu can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("pha kieu can snippets"))) or ("locating bug core snippets"))*.