Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi sao du snippets" » "thi sao code snippets", "thoi sao du snippets", "tai sao du snippets", "thi hao du snippets", "thi so du snippets", "thi dao du snippets", "thi sao de snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing 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: (((("python using data snippets") or ("thi sao du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("thi sao du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( thi sao du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("thi sao du snippets"))) or ("locating bug core snippets"))*.