Perhaps you should try some spelling variations:
quen hanh » quen thanh, quan hanh, quang hanh
hien tran » hien trang, hiep tran, bien tran
tran ngoc » tran quoc
nhung gi » nhung bai
que lang » quet lang, quan lang, que quang
hien dat » hien dai, mien dat, tien dat
nhung bi » nhung bai
bi quen » bi quyet, bi quang, si quyen
gi que » nghi que

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung gi que lang. biet the hien dat nuoc ) or ( nhung bi quen hanh. biet the hien tran ngoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung gi que lang. biet the hien dat nuoc ) OR ( nhung bi quen hanh. biet the hien tran ngoc )).
• Adding a wildcard symbol may retrieve word variants: (( nhung gi que lang. biet the hien dat nuoc ) or ( nhung bi quen hanh. biet the hien tran ngoc ))*.