Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"data van cuc snippets" » "data van code snippets", "data phan cuc snippets", "dang van cuc snippets", "dao van cuc snippets", "data van duc snippets", "data van luc snippets", "data van cu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("data van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data van cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data van cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.