Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tren so snippets" » "dong tren code snippets", "dung tren so snippets", "dong tien so snippets", "dong truyen so snippets", "dong tren co snippets", "dong tre so snippets", "dong tren go 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: (((("dong tren so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tren so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong tren so snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tren so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.