Perhaps you should try some spelling variations:
trong doanh » trong nganh
thieu xanh » chieu xanh, hieu manh, thien anh
manh trong » manh truong, anh trong, manh trung
hoc thieu » toc thieu, hoc hien
trong cay » trong cac, trong ca, giong cay
doanh tan » doanh tai, doanh ban, doanh van
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - manh trong cay trong doanh tan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh trong cay trong doanh tan van ban*.