Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trung vap » trung va, trung van, trung lap
trung cap » truong cao, trung tam
tuong dan » huong dan, tung dan, xuong dan
than tap » han tap, phan tap, than cap
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh ((trung vap) OR (trung cap)) nhung tuong dan ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((trung vap) OR (trung cap)) nhung tuong dan ((than tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((trung vap) OR (trung cap)) nhung tuong dan ((than tap) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((trung vap) OR (trung cap)) nhung tuong dan ((than tap) or (toan tap))*.