Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi dan mon snippets" » "thi dan code snippets", "thi doan mon snippets", "thi lan mon snippets", "thi dai mon snippets", "thi dap mon snippets", "thi dan dong snippets", "thi dong mon snippets"
"python using low snippets" » "python using code 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: (((("thi dan mon snippets") or ("python using low snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi dan mon snippets") OR ("python using low snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi dan mon snippets ) or ( python using low snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dan mon snippets") or ("python using low snippets"))) or ("locating bug core snippets"))*.