Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
thong tap » tong tap, thong tai, thong lap
thong cap » thong cac, trung cap, thong cua
doan cau » toan cau, doan dau, doan cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) tinh - canh tranh cua thong ((thong tap) OR (thong cap)) doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) tinh - canh tranh cua thong ((thong tap) OR (thong cap)) doan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (hoc thieu)) tinh - canh tranh cua thong ((thong tap) OR (thong cap)) doan cau".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) tinh - canh tranh cua thong ((thong tap) OR (thong cap)) doan cau*.