Perhaps you should try some spelling variations:
"h pham chieu snippets" » "h pham code snippets", "h phan hieu snippets", "h pham hiep snippets", "h phap hieu snippets", "d pham chieu snippets", "v pham chieu snippets", "che pham chieu snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("h pham chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"h pham chieu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( h pham chieu snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("h pham chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.