Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"doc quoc lan snippets" » "duoc quoc lan snippets", "hoc quoc lan snippets", "doc cuoc lan snippets", "doc quoc ban snippets", "doc nuoc luan snippets", "doc quoc quan snippets"

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

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