Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh cua » tinh cua, trinh luat, trinh quan
luong tai » dung tai, luong va
ho chieu » theo chieu, hoc thieu, doi chieu
dinh cuu » dinh chi
long tam » dong tam, song tam, long term
toan cau » toan cao, toan ban, toan tap

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 - hanh ((trinh cua) or (dinh cuu)) thang ((long tam) OR (luong tai)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((trinh cua) OR (dinh cuu)) thang ((long tam) OR (luong tai)) toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((trinh cua) or (dinh cuu)) thang ((long tam) OR (luong tai)) toan cau*".