Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phau hoc mo snippets" » "phap hoc mo snippets", "thai hoc mo snippets", "nha hoc mo snippets", "phau hoc moi snippets", "phau hoc mot snippets", "phau hoc mon 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: (((("phau hoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phau hoc mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phau hoc mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phau hoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.