Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho duoc chi snippets" » "cho duoc code snippets", "che duoc chi snippets", "co duoc chi snippets", "cho cuoc chi snippets", "cho nuoc chi snippets", "cho duoc chat snippets", "cho duoi chin 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: (((("cho duoc chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho duoc chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho duoc chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho duoc chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.