Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac xuan can snippets" » "tac quan can snippets", "dac xuan can snippets", "tai xuan can snippets", "tac xuan cang snippets", "tac xuan tan snippets", "tac xuan chanh 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: (((("tac xuan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac xuan can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac xuan can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac xuan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.