Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don thuan go snippets" » "dong thuan go snippets", "dinh thuan go snippets", "doan chuan go snippets", "don than go snippets", "don thuan loi snippets", "don thuat gom 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: (((("don thuan go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don thuan go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don thuan go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don thuan go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.