Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"do hoang ca snippets" » "do hong ca snippets", "co hoang ca snippets", "duc hoang ca snippets", "do hoang cao snippets", "do hang ca snippets", "do hoang ha snippets"

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

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