Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"voi quoc doi snippets" » "voi quoc code snippets", "voi cuoc doi snippets", "vuon quoc doi snippets", "mai quoc doi snippets", "voi quoc hoi snippets", "voi luoc doi 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: (((("voi quoc doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"voi quoc doi snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( voi quoc doi snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi quoc doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.