Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi lua sang snippets" » "phi luc sang snippets", "phi bua sang snippets", "phi cua sang snippets", "phi luan sang snippets", "thi luan sang snippets", "phap lua sang snippets"

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

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