Perhaps you should try some spelling variations:
tan teaching » team teaching, eap teaching, men teaching
liang tan » liang dan, liang sun, wing tan
model all » models all, model ali, model small
land plot » land plots, land part, land poor
all land » al land, small land, all hands
lang zhi » liang zhi, wang zhi, liang zhu
wong yue » wang yue, hong yu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: liang tan teaching model all land plot ((lang zhi) OR (wong yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: liang tan teaching model all land plot ((lang zhi) or (wong yue)) ;*.