Perhaps you should try some spelling variations:
"thi tac dong snippets" » "thi tac code snippets", "thi tac dung snippets", "thi tac trong snippets", "thi ha dong snippets", "thi tam dong snippets", "thi thao dong snippets", "thi tran dong snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("thi tac dong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi tac dong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi tac dong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi tac dong snippets"))) or ("locating bug core snippets"))*.