Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using low snippets" » "python using code snippets"
"lam tai trac snippets" » "lam tap trac snippets", "lam thi trac snippets", "lam hai trac snippets", "lap tai trac snippets", "nam tai trac snippets", "pham tai trac snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"lam tai trac snippets\") OR (\"python using low snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( lam tai trac snippets ) OR ( python using low snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("lam tai trac snippets") OR ("python using low snippets"))) OR ("locating bug core snippets"))*.