Perhaps you should try some spelling variations:
duong trong » dung trong
lanh tranh » canh tranh, lan tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua duong » cua dong, cua huong, qua duong
trong vat » trong van, trong va, trong dat
ho chieu » theo chieu, doi chieu, mot chieu
vat phan » va phan, van phan, sat phan
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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) OR (hoc thieu))) or (doi chi)) xanh - lanh tranh cua duong trong vat phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc thieu))) OR (doi chi)) xanh - lanh tranh cua duong trong vat phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (hoc thieu))) or (doi chi)) xanh - lanh tranh cua duong trong vat phan cau".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (hoc thieu))) or (doi chi)) xanh - lanh tranh cua duong trong vat phan cau*.