Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong tinh » cong trinh, cong vinh, long tinh
tinh cua » trinh cua, tinh chat, tranh cua
sinh cua » manh cua, dinh cuu, sinh va
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: hoc thieu xanh - hanh ((tinh cua) OR (sinh cua)) nhung cong tinh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((tinh cua) OR (sinh cua)) nhung cong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((tinh cua) OR (sinh cua)) nhung cong tinh toan cao*.