Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi thai doi snippets" » "khi thai doi snippets", "chi thi doi snippets", "thi thai doi snippets", "chi thay doi snippets", "chi thai do snippets", "chi thai loi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("chi thai doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi thai doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi thai doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi thai doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.