Perhaps you should try some spelling variations:
"pha thu hoan snippets" » "pha thu code snippets", "pha thi hoan snippets", "pha thu hoach snippets", "pha thu ha snippets", "phap thu hoan snippets", "pham thu hoan snippets", "phai thu hoan 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 ("pha thu hoan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("pha thu hoan snippets"))) OR ("locating bug core snippets")).
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