Perhaps you should try some spelling variations:
"thi ba cong snippets" » "thi ba code snippets", "thi ban cong snippets", "thi bia cong snippets", "thi bat cong snippets", "thi ha cong snippets", "thi ra cong snippets", "thi bach cong 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 ba cong 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 ba cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi ba cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi ba cong snippets"))) or ("locating bug core snippets"))*.