Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thue van cuc snippets" » "thue van code snippets", "thue va cuc snippets", "thuc van cuc snippets", "thuy van cuc snippets", "thue van duc snippets", "thue van luc snippets", "thue 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: (((("thue 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: (((("thue van cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thue van cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.