Perhaps you should try some spelling variations:
sinh trong » sinh truong, sinh trung, chinh trong
dinh trong » chinh trong, dinh thuong, dinh duong
cong thanh » dong thanh, cong tan, truong thanh
quan dung » quang dung, quan duong, qua dung
chi xanh » chi anh, chi danh, chi hanh
toan cao » toan ban, toan tap
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: doi chi xanh - ((dinh trong) OR (sinh trong)) quan dung ((cong thanh) or (cong trinh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - ((dinh trong) OR (sinh trong)) quan dung ((cong thanh) OR (cong trinh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - ((dinh trong) OR (sinh trong)) quan dung ((cong thanh) or (cong trinh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - ((dinh trong) OR (sinh trong)) quan dung ((cong thanh) or (cong trinh)) toan cao*.