Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tham do snippets" » "van tham code snippets", "van thanh do snippets", "van tuan do snippets", "van chat do snippets", "van thai do snippets", "van pham do snippets", "van tham du 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 do 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 do snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( van tham do snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("van tham do snippets"))) OR ("locating bug core snippets"))*.