Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do tren do snippets" » "do tren code snippets", "dong tren do snippets", "duoc tren do snippets", "do trung do snippets", "do tren doi snippets", "do trien do snippets", "do tren co 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: (((("do tren do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do tren do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( do tren do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do tren do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.