Perhaps you should try some spelling variations:
quan trong » gian trong
hien xanh » hien hanh, hien nhanh, chieu xanh
nhan dang » nhan dan, phan dang, tran dang
dang quan » dang quang, dung quan, dan quan
cong nang » cong ngang, cong lang, cong nong
nang quan » ban quan, nang suat
quan tap » quan tai, quan lap, quan tam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - nhan dang quan trong cong nang quan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - nhan dang quan trong cong nang quan tap*.