Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu viec doc snippets" » "khu viec code snippets", "khau viet doc snippets", "khu vuc doc snippets", "thu vien doc snippets", "khu viec quoc snippets", "khu viec so snippets", "khu viec dat snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("khu viec doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"khu viec doc snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( khu viec doc snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu viec doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.