Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tham con snippets" » "van tham code snippets", "van thanh con snippets", "van tuan con snippets", "van chat con snippets", "van pham cong snippets", "van thai cong snippets", "van tham canh 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: (((("python using java snippets") OR ("van tham con snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"van tham con snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( van tham con snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("van tham con snippets"))) OR ("locating bug core snippets"))*.