Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tho cua thi snippets" » "thao cua thi snippets", "tho ca thi snippets", "tro cua thi snippets", "tho cua thoi snippets", "tho cua toi snippets", "tho cua chi 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: "((((\"python using java snippets\") OR (\"tho cua thi snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( tho cua thi snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("tho cua thi snippets"))) OR ("locating bug core snippets"))*.