Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khi anh trac snippets" » "khi sinh trac snippets", "khi anh tuan snippets", "khi anh thuc snippets", "thi anh trac snippets", "chi anh trac snippets", "khia canh trac snippets"

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

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