Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chu hanh tin snippets" » "chu thanh tin snippets", "chuc hanh tin snippets", "chu han tin snippets", "chu hanh tinh snippets", "chu hanh trinh snippets", "chu nhanh tinh snippets"

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

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