Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bua hoang du snippets" » "bua hoang code snippets", "quan hoang du snippets", "tuan hoang du snippets", "xuan hoang du snippets", "bua hoang duy snippets", "bua hoang duc snippets", "bua hoang de 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: (((("bua hoang du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua hoang du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bua hoang du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua hoang du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.