Perhaps you should try some spelling variations:
thuong dan » huong dan, thuong han, thuong dam
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap
lanh va » anh va, lanh dao, doanh va
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - canh ((((lanh va) or (hanh va))) or (sinh vat)) hang thuong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh ((((lanh va) OR (hanh va))) OR (sinh vat)) hang thuong dan than tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh ((((lanh va) or (hanh va))) or (sinh vat)) hang thuong dan than tap*.