Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bac cho doi snippets" » "bac cho code snippets", "bac ho doi snippets", "dac cho doi snippets", "bac cao doi snippets", "bac cho moi snippets", "bac cuoc doi snippets", "bac cho tuoi 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: (((("bac cho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac cho doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bac cho doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac cho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.